CN211209892U

CN211209892U - TWS earphone

Info

Publication number: CN211209892U
Application number: CN202020185921.0U
Authority: CN
Inventors: 陈运基
Original assignee: Anker Innovations Co Ltd
Current assignee: Anker Innovations Co Ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-08-07
Anticipated expiration: 2030-02-19

Abstract

The application discloses a TWS headset. The TWS earphone comprises a first earphone and a second earphone, the first earphone is provided with a charging interface and a first charging piece, the charging interface is used for connecting a power supply, and the first charging piece is coupled with the charging interface; the second earphone is provided with a second charging piece which is used for being in contact with the first charging piece; the first earphone can receive current of a power supply through the charging interface to be charged, and the current of the power supply is transmitted to the second earphone through the first charging piece and the second charging piece which are in contact with each other, so that the first earphone and the second earphone can be charged simultaneously. In this way, the second earphone and the first earphone can be charged simultaneously conveniently and effectively.

Description

TWS earphone

Technical Field

The application relates to the technical field of wireless earphones, in particular to a TWS earphone.

Background

With the popularization of wireless earphones, the head-wearing wireless earphones are comfortable to wear, have good using effect and are widely applied. In order to meet the increasing requirements of people on portability and wearing comfort of Wireless earphones, a real Wireless earphone is born, people apply real Wireless Stereo (TWS) to the Wireless earphones, a connecting line between two earphone units is removed, the performances of the Wireless earphones in the aspects of wearing, portability and the like are greatly improved, and the TWS earphones are formed. However, since the connection line between the two earphone units in the TWS earphone is removed, it is difficult to simultaneously charge the two earphone units.

SUMMERY OF THE UTILITY MODEL

The application provides a TWS earphone can solve two earphones in the TWS earphone among the prior art and be difficult to carry out the problem of charging simultaneously.

In order to solve the technical problem, the application adopts a technical scheme that: a TWS headset is provided that includes a first headset and a second headset.

The first earphone is provided with a charging interface and a first charging piece, the charging interface is used for connecting a power supply, and the first charging piece is coupled with the charging interface; the second earphone is provided with a second charging piece which is used for being in contact with the first charging piece;

the first earphone can receive current of a power supply through the charging interface to be charged, and the current of the power supply is transmitted to the second earphone through the first charging piece and the second charging piece which are in contact with each other, so that the second earphone can be charged with the first earphone at the same time.

Compared with the prior art, the beneficial effects of this application are: first earphone in this application TWS earphone can charge for self through the electric current that the interface received the power that charges, and can charge the electric current of power and transmit to the second earphone through the first piece that charges and the second piece that charges of mutual contact, the second earphone receives the electric current and charges, so can be effectively, simply realize first earphone and second earphone and can charge simultaneously, can effectively simplify the structure moreover, improve the portability and the convenience of use of earphone.

Drawings

FIG. 1 is a schematic diagram of a front view of the structure of one embodiment of the TWS headset of the present application;

FIG. 2 is a schematic right side view of the structure of a first earpiece in an embodiment of the TWS earpiece of the present application;

FIG. 3 is a schematic left side view of the structure of a second earpiece in an embodiment of the TWS earpiece of the present application;

FIG. 4 is a schematic diagram of a front view of the structure of another embodiment of a TWS earpiece of the present application;

FIG. 5 is a schematic block diagram of circuitry of one embodiment and another embodiment of the TWS headset of the present application;

FIG. 6 is another schematic block diagram of circuitry of one embodiment and another embodiment of a TWS headset of the present application;

reference numerals: 1. a first earphone; 10. a first housing; 11. a charging interface; 111. a positive charging terminal; 112. a negative charging terminal; 12. a first battery; 121. a first positive terminal; 122. a first negative terminal; 13. a first magnetic member; 14. a first planar region; 15. a first charging member; 151. a first charging member; 152. a second first charging member; 16. a fastening groove; 17. a first PCBA board; 2. a second earphone; 20. a second housing; 21. a second battery; 211. a second positive terminal; 212. a second negative terminal; 22. a second magnetic member; 23. a second planar region; 24. a second charging member; 241. a first second charging member; 242. a second charging member; 25. a fastener; 26. a second PCBA board; 3. and a charging wire.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to make the Wireless earphone more portable, a True Wireless Stereo (True Wireless Stereo) is applied to the Wireless earphone, a connecting line between two earphones and the like are removed, so that the two earphones get rid of the constraint of wires, and a TWS earphone is formed. The two earphones of the TWS earphone are communicated with each other through the wireless module, and the two earphones can be communicated with the mobile terminal through one earphone. The inventor of the application finds that if two earphones of the TWS earphone are respectively provided with the charging interfaces to charge the two earphones, the structure is complex, and the use is inconvenient. If the two are connected by the charging wire at the same time for charging at the same time, the wire constraint between the earphones is not broken. In order to improve the above technical problem, the present application proposes at least the following embodiments.

Referring to fig. 1, fig. 1 is a schematic structural front view of an embodiment of the TWS headset of the present application. An embodiment of the TWS headset of the present application comprises a first headset 1 and a second headset 2.

The first earpiece 1 and the second earpiece 2 are each devices that can convert electrical signals into acoustic signals, having a loudspeaker. The first earphone 1 and the second earphone 2 can work under the action of electric quantity carried by the earphones, received wireless signals are converted and the like, and finally acoustic signals are formed, so that sound emitted by a loudspeaker can be heard by a user. The first earpiece 1 may be adapted for left ear use and the second earpiece 2 may be adapted for right ear use. One of the first earphone 1 and the second earphone 2 can be used as a main earphone, the main earphone can be wirelessly connected with external devices such as an intelligent terminal through a wireless module in the main earphone, the other one of the first earphone 1 and the second earphone 2 can be used as an auxiliary earphone, and the auxiliary earphone is wirelessly connected with the wireless module of the main earphone through the wireless module in the auxiliary earphone. The master earphone may forward some or all of the wireless signals it receives from the smart terminal or the like to the slave earphone to enable the master and slave earphones to work in concert.

First earphone 1 can be equipped with the interface 11 that charges and first charging member 15 is coupled the interface 11 that charges, the interface 11 that charges can be Type-C interface, micro-USB interface, USB interface or L lighting interface etc. second earphone 2 can be equipped with second charging member 24 for contact with first charging member 15 first earphone 1 can charge through the electric current that charges interface 11 received the power, and transmit the electric current of power to second earphone 2 through the first charging member 15 and the second charging member 24 of mutual contact, make second earphone 2 also can utilize the electric current of power to charge simultaneously, so can realize first earphone 1 and second earphone 2 and charge simultaneously.

When the first and second earphones 1 and 2 are charged, since the charging interface 11 is coupled to the first charging member 15, the second charging member 24 is in contact with the first charging member 15 such that the second charging member 24 is coupled to the first charging member 15. The current of the power supply can enter the first earphone 1 through the charging interface 11 to charge the first earphone 1. The current of the power supply can also enter the second earphone 2 through the charging interface 11, the first charging element 15 and the second charging element 24, so that the current of the power supply can be transferred from the first earphone 1 to the second earphone 2 to charge the second earphone 2. When the charging interface 11 receives current, the first charging part 15 and the second charging part 24 contact with each other, so that the first earphone 1 and the second earphone 2 can be charged simultaneously. Through setting up first charging member 15 and second charging member 24, can utilize both to contact fast, simply and realize that first earphone 1 and second earphone 2 charge simultaneously, can effectively simplify the structure moreover, improve the portability of earphone and the convenience of use.

The charging interface 11 may be coupled to the charging line 3, and further coupled to the power source, for receiving the current of the power source. For example, the one end of charging wire 3 can connect with interface 11 that charges and insert the cooperation, and the other end of charging wire 3 can be coupled power. The power supply can be 220V commercial power, and also can be other devices for storing electric quantity, such as a mobile power supply, a computer, a mobile phone and the like.

The first earphone 1 may include a first housing 10 and a first battery 12. The first battery 12 may be disposed within the first housing 10. The charging interface 11 and the first charging member 15 may be disposed at the first housing 10 and each exposed to a surface of the first housing 10. The charging interface 11 is coupled to the first battery 12. The first charging member 15 is coupled to the charging interface 11.

The second earpiece 2 may comprise a second housing 20 and a second battery 21. The second battery 21 may be disposed within the second case 20. The second charging member 24 may be disposed on the second housing 20 and expose a surface of the second housing 20. The second battery 21 and the second charging member 24 are coupled.

Since the first charging member 15 is exposed to the surface of the first housing 10 and the second charging member 24 is exposed to the surface of the second housing 20, the first charging member 15 and the second charging member 24 are brought into contact through the respective exposed portions and can be clearly observed by a user, facilitating alignment and contact between the first charging member 15 and the second charging member 24. For example, the user can adjust the relative positions of the first and

second charging members

15 and 24 in time according to the observed actual contact condition of the first and

second charging members

15 and 24, align the first and

second charging members

15 and 24, and then can quickly and conveniently contact the first and

second charging members

15 and 24.

In order to reduce the influence of the connection between the charging interface 11 and the power source on the stability of the contact between the first charging member 15 and the second charging member 24. The charging interface 11 and the first charging member 15 are disposed at an interval in the first housing 10. Specifically, the charging interface 11 and the first charging member 15 may be disposed on different sides of the first casing 10, for example, the charging interface 11 and the first charging member 15 may be disposed on opposite sides of the first casing 10, so as to reduce mutual interference therebetween, and further improve the electrical performance and the charging efficiency of the TWS headset. The charging interface 11 and the first charging member 15 are disposed at an interval in the first housing 10, so that the relative movement of the first housing 10 and the second housing 20 is not hindered by the connection between the charging interface 11 and the power source during the contact of the first charging member 15 and the second charging member 24.

In order to enhance the contact stability of the first charging member 15 and the second charging member 24, the present embodiment may utilize the principle that opposite magnetic poles attract each other to stabilize the contact of the first charging member 15 and the second charging member 24, and the present embodiment may specifically provide the following situations.

The first case: the first earpiece 1 may comprise a first magnetic part 13. The first magnetic member 13 may be disposed in the first housing 10 adjacent to the first charging member 15. The second housing 20 may include a second magnetic member 22. The second magnetic member 22 may be disposed in the second housing 20 adjacent to the second charging member 24. For example, a magnetic pole of the first magnetic member 13 facing the outside of the first casing 10 corresponds to a magnetic pole of the second magnetic member 22 facing the outside of the second casing 20 and has opposite polarities. The first and second magnetic members 13 and 22 can be attracted to each other to improve contact stability between the first and

second charging members

15 and 24 when the first and

second charging members

15 and 24 are in contact.

By the mutual attraction of the first magnetic member 13 and the second magnetic member 22, the first charging member 15 and the second charging member 24 are facilitated to be in contact, and the contact stability of the first charging member 15 and the second charging member 24 can be improved. When the contact between the first charging piece 15 and the second charging piece 24 needs to be released, the contact between the first charging piece 15 and the second charging piece 24 can be released by applying a force to the direction opposite to the mutual adsorption direction of the first magnetic piece 13 and the second magnetic piece 22, so that the first charging piece 15 and the second charging piece 24 can be detached more simply and conveniently.

The number of the first charging members 15 may be at least two, and the number of the first magnetic members 13 may be at least one. At least two first magnetic members 13 and at least one of the first magnetic members 13 are disposed at a distance from each other. For example, the number of the first charging members 15 may be two, and the number of the first magnetic members 13 may be two. The two first magnetic members 13 are disposed at an interval, and the two first charging members 15 may be disposed between the two first magnetic members 13 side by side. Further, the two first charging members 15 and the two first magnetic members 13 are disposed side by side at intervals.

The number of the second charging members 24 may be at least two, and the number of the second magnetic members 22 may be at least one. At least two second charging members 24 and at least one second magnetic member 22 are spaced apart from each other. For example, the number of the second charging members 24 may be two, and the number of the second magnetic members 22 may be two. The two second magnetic members 22 are spaced apart, and the two second charging members 24 may be disposed between the two second magnetic members 22 side by side. Further, the two second charging members 24 and the two second magnetic members 22 are disposed side by side at a spacing.

By arranging the two first charging members 15 side by side between the two first magnetic members 13 and arranging the two second charging members 24 side by side between the two second magnetic members 22, when the first magnetic members 13 and the second magnetic members 22 are attracted to each other, the first charging members 15 and the second charging members 24 positioned in the middle are more stably contacted, and the reliability of the charging process is improved.

The second case: the first and

second charging members

15 and 24 may be magnetic in nature, or one may be a magnet and the other may be capable of being magnetized. That is, the first charging member 15 and the second charging member 24 are themselves attracted to each other by magnetism. For example, the first charging member 15 and the second charging member 24 are both magnetic conductors, and the material of the first charging member 15 and the second charging member 24 may include neodymium-iron-boron magnet material or the like. The magnetism of the first charging member 15 exposed to one end of the first housing 10 and the magnetism of the second charging member 24 exposed to one end of the second housing 20 are opposite to each other so that the first charging member 15 and the second charging member 24 can be attracted to each other. Since the first and

second charging members

15 and 24 can attract each other upon contact, the stability of the contact of the first and

second charging members

15 and 24 is enhanced.

Of course, in this embodiment, on the basis of the magnetic connection between the first magnetic member 13 and the second magnetic member 22, the first charging member 15 and the second charging member 24 are attracted to each other by the magnetism, so as to enhance the contact stability between the first charging member 15 and the second charging member 24.

Referring to fig. 1 and 2 in combination, fig. 2 is a schematic right view of the structure of a first earphone in an embodiment of the TWS earphone of the present application. The outer surface of the first housing 10 may have a first plane area 14, and the first charging member 15 is at least partially exposed to the first plane area 14. The first magnetic element 13 may be embedded in the first casing 10 corresponding to the first planar area 14, so that the first magnetic element 13 is not exposed, the device may be effectively protected, and the appearance of the earphone may be improved.

Referring to fig. 1 and 3 in combination, fig. 3 is a schematic left side view of the structure of a second headset in an embodiment of the TWS headset of the present application. The outer surface of the second casing 20 may have a second planar area 23, and the second charging member 24 is at least partially exposed from the second planar area 23. The second magnetic member 22 may be embedded in the second casing 20 corresponding to the second planar area 23.

The first planar region 14 and the second planar region 23 may be opposite to each other when the first charging member 15 and the second charging member 24 are in contact. For example, by setting the first charging member 15 and the second charging member 24 to a reasonable height, the first planar region 14 and the second planar region 23 can abut against or substantially abut against each other when the first charging member 15 and the second charging member 24 are in contact, so that the contact between the first charging member 15 and the second charging member 24 is more stable, and the structural stability and the charging stability are improved.

Since the first and second

planar regions

14 and 23 are opposite to each other when the first and

second charging members

15 and 24 are in contact, the assembly of the first and

second charging members

15 and 24 is facilitated, so that the TWS structure is more compact and the contact of the first and second earphones 1 and 2 can be more tight. In addition, the first and second

planar regions

14 and 23 facing each other can facilitate magnetic attraction of the first and second magnetic members 13 and 22, so that the attraction force provided by the first and second magnetic members 13 and 22 is more stable. When the first plane area 14 and the second plane area 23 can contact each other under the adsorption action, the contact between the planes can effectively and uniformly act on each other, so that the contact structure of the first charging piece 15 and the second charging piece 24 is more stable. The first plane area 14 and the second plane area 23 are arranged, so that the structure is simple, the contact stability of the first charging piece 15 and the second charging piece 24 is effectively improved, and the maximum external force born between the first earphone 1 and the second earphone 2 under the condition that the contact positions of the first charging piece 15 and the second charging piece 24 are not overloaded can be effectively improved.

Since the first magnetic member 13 is embedded in the first housing 10 and the second magnetic member 22 is embedded in the second housing 20, the first magnetic member 13 and the second magnetic member 22 are covered by the first housing 10 and the second housing 20, respectively. The first housing 10 may protect the first magnetic member 13 when the first housing 10 rubs or collides with another object, and the second housing 20 may protect the second magnetic member 22 when the second housing 20 rubs or collides with another object.

For the connection of the first earphone 1 and the second earphone 2, in addition to using the first magnetic member 13 and the second magnetic member 22, the present embodiment may also realize the connection of the first earphone 1 and the second earphone 2 through a snap structure. Referring to fig. 4, fig. 4 is a schematic structural front view of another embodiment of the TWS headset of the present application. For example, the first housing 10 may be formed with a latch groove 16, and the second housing 20 may be formed with a latch 25. The latch 25 is used for latching connection with the latch groove 16, and the first housing 10 and the second housing 20 are connected by the latch 25 and the latch groove 16 to realize contact between the first charging member 15 and the second charging member 24.

Of course, in this embodiment, the first magnetic member 13 and the second magnetic member 22 may be magnetically connected, and then further connected by the above-mentioned snap structure, so as to enhance the contact stability between the first charging member 15 and the second charging member 24.

Referring to fig. 1, the present embodiment can provide various structural configurations of the first charging member 15 and the second charging member 24, such as the following exemplary cases:

in the first case: one of the first and

second charging members

15 and 24 may be a copper pillar, and the other of the first and

second charging members

15 and 24 is a Pogo Pin (Pogo Pin) or a spring plate. This embodiment can carry out the elasticity butt through between pogo pin or shell fragment and the copper post, can improve the contact stability between first charging member 15 and the second charging member 24.

In the second case: one of the first and

second charging members

15 and 24 may be a copper pillar, and the other of the first and

second charging members

15 and 24 is a contact.

In the third case: one of the first charging member 15 and the second charging member 24 is a spring plate or a contact, and the other of the first charging member 15 and the second charging member 24 is a spring plate or a contact.

Of course, the above cases are merely exemplary, and the structural configurations of the first charging material 15 and the second charging material 24 may be other cases, and are not limited to the above cases.

Referring to fig. 5, fig. 5 is a schematic block circuit diagram of an embodiment of the TWS headset of the present application. The two first charging members 15 may be a first charging member 151 and a second first charging member 152, respectively. The first and second first charging

members

151 and 152 are coupled to the first battery 12, respectively. The charging interface 11 is coupled to the first battery 12. The two second charging members 24 may be a first second charging member 241 and a second charging member 242, respectively. The first and second charging

members

241 and 242 are coupled to the second battery 21, respectively.

For example, a first PCBA board 17 may be provided within the first housing 10. The first battery 12 may be secured to the first PCBA board 17. The charging interface 11 and the first charging member 15 may be fixed to the first PCBA board 17. The charging interface 11 may include a positive charging terminal 111 and a negative charging terminal 112. The first battery 12 may include a first positive terminal 121 and a first negative terminal 122. The positive charging terminal 111 may be coupled to the first positive terminal 121, and the negative charging terminal 112 may be coupled to the first negative terminal 122, so that the first battery 12 can be charged through the charging interface 11. The first charging member 151 may be coupled to the positive charging terminal 111, and the second charging member 152 may be coupled to the negative charging terminal 112.

A second PCBA board 26 may be disposed within the second housing 20. The second battery 21 may be secured to the second PCBA board 26. The second charging member 24 may be secured to a second PCBA board 26. The second battery 21 may include a second positive terminal 211 and a second negative terminal 212. The first second charging member 241 may be coupled to the second positive terminal 211, and the second charging member 242 may be coupled to the second negative terminal 212. The first second charging member 241 may be for contacting the first charging member 151, and the second charging member 242 may be for contacting the second first charging member 152.

When the positive and

negative charging terminals

111 and 112 are coupled to a power source, the current of the power source charges the first battery 12 through the first and second

positive terminals

121 and 211, and also charges the second battery 21 through the first and second charging

members

151 and 152 and the first and second charging

members

241 and 242.

Of course, if no power is connected to the charging interface 11, that is, no current flows into the charging interface 11, the first charging element 15 and the second charging element 24 are in contact with each other, so that a loop is formed between the batteries of the first earphone 1 and the second earphone 2, and the higher one of the first battery 12 and the second battery 21 can be used to charge the lower one of the first battery 12 and the second battery 21. Specifically, when the current received by the positive charging terminal 111 and the negative charging terminal 112 is zero, the first second charging member 241 is in contact with the first charging member 151, and the second charging member 242 is in contact with the second first charging member 152, a current loop can be formed between the first battery 12 and the second battery 21, and the higher electric quantity one of the first battery 12 and the second battery 21 can supply power to the lower electric quantity one.

Referring to fig. 6, fig. 6 is another schematic block circuit diagram of an embodiment of the TWS headset of the present application. The specific circuit connections of fig. 5 are transformed based on the circuit configuration shown in fig. 5 and the corresponding discussion. The circuit structure disclosed in fig. 6 is different from the circuit structure disclosed in fig. 5 in that:

the first battery 12 and the first charging member 15 are coupled in series to the charging interface 11. The second battery 21 and the second charging member 24 are coupled. When the first and

second charging members

15 and 24 are in contact, the first and

second batteries

12 and 21 are coupled in series. As shown in fig. 6, when the first battery 12 and the second battery 21 are charged, the first battery 12 and the second battery 21 are connected in series, that is, the current from the charging interface 11 flows through the first battery 12 first and then flows through the second battery 21.

For example, the first charging member 151 is coupled to the first negative terminal 122, the first second charging member 241 is for contacting the first charging member 151, and the first second charging member 241 is coupled to the second positive terminal 211. The second charging member 242 is coupled to the second negative terminal 212, and the second charging member 242 is used to contact the second first charging member 152. The first positive terminal 121 is coupled to the positive charging terminal 111, and the second first charging member 152 is coupled to the negative charging terminal 112. So that the first battery 12 and the second battery 21 can form a series circuit when the current received by the positive charging terminal 111 and the negative charging terminal 112 from the power source is not zero, and the first second charging member 241 is in contact with the first charging member 151, and the second charging member 242 is in contact with the second first charging member 152. The power current flows into the first earphone 1 from the positive charging terminal 111, flows through the series circuit formed by the first battery 12 and the second battery 21, and finally flows out from the negative charging terminal 112, thereby simultaneously charging the first battery 12 and the second battery 21. Of course, the first battery 12 and the second battery 21 are charged in series, so that the structure is simple, the complexity of a circuit is reduced, and the arrangement of printed circuits in the first PCBA board 17 is facilitated.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A TWS headset, comprising:

the first earphone is provided with a charging interface and a first charging piece, the charging interface is used for being connected with a power supply, and the first charging piece is coupled with the charging interface;

the second earphone is provided with a second charging piece and is used for being in contact with the first charging piece;

the first earphone can receive the current of the power supply through the charging interface to charge, and the current of the power supply is transmitted to the second earphone through the first charging piece and the second charging piece which are in contact with each other, so that the second earphone and the first earphone can be charged simultaneously.

2. The TWS headset of claim 1,

the first earphone comprises a first shell and a first battery arranged in the first shell, the charging interface and the first charging piece are arranged in the first shell at intervals and are respectively exposed on the surface of the first shell, the charging interface is coupled with the first battery, and the first charging piece is coupled with the charging interface;

the second earphone comprises a second shell and a second battery arranged in the second shell, the second charging piece is arranged in the second shell and exposed to the surface of the second shell, and the second battery is coupled with the second charging piece.

3. The TWS headset of claim 1,

the first earphone comprises a first shell and a first battery arranged in the first shell, the charging interface and the first charging piece are arranged in the first shell at intervals and are respectively exposed on the surface of the first shell, and the first battery and the first charging piece are coupled with the charging interface in series;

the second earphone comprises a second shell and a second battery arranged in the second shell, the second charging piece is arranged in the second shell and exposed to the surface of the second shell, and the second battery is coupled with the second charging piece; wherein the first battery and the second battery are coupled in series when the first charging member and the second charging member are in contact.

4. A TWS headset according to claim 2 or 3,

the first earphone comprises a first magnetic piece, a second magnetic piece and a first charging piece, wherein the first magnetic piece is arranged in the first shell and is adjacent to the first charging piece; the second earphone comprises a second magnetic piece which is arranged in the second shell and is adjacent to the second charging piece; wherein the first magnetic member and the second magnetic member are capable of attracting each other so that the first charging member and the second charging member are in contact.

5. The TWS headset of claim 4,

the number of the first charging pieces is at least two, the number of the first magnetic pieces is at least one, and the at least two first charging pieces and the at least one first magnetic piece are arranged at intervals;

the number of the second charging pieces is at least two, the number of the second magnetic pieces is at least one, and the second charging pieces and the second magnetic pieces are arranged at intervals.

6. The TWS headset of claim 4,

the outer surface of the first shell is provided with a first plane area, the first charging piece is at least partially exposed in the first plane area, the outer surface of the second shell is provided with a second plane area, the second charging piece is at least partially exposed in the second plane area, and when the first charging piece and the second charging piece are in contact, the first plane area and the second plane area are opposite to each other.

7. The TWS headset of claim 6,

the first magnetic part is embedded in the first shell corresponding to the first plane area, and the second magnetic part is embedded in the second shell corresponding to the second plane area.

8. The TWS headset of claim 6,

one of the first charging piece and the second charging piece is a copper column, and the other of the first charging piece and the second charging piece is a spring pin or an elastic sheet; alternatively, the first and second electrodes may be,

one of the first charging piece and the second charging piece is a spring plate or a contact, and the other of the first charging piece and the second charging piece is a spring plate or a contact.

9. The TWS headset of claim 2,

the first charging piece is coupled with the first battery, so that when the current received by the charging interface from the power supply is zero and the first charging piece is contacted with the second charging piece, the higher electric quantity one of the first battery and the second battery can charge the lower electric quantity one of the first battery and the second battery.

10. A TWS headset according to claim 2 or 3,

the first shell is provided with a clamping groove, the second shell is provided with a clamping part, the clamping part is used for being connected with the clamping groove in a clamping mode, and the first shell and the second shell are connected through the clamping part and the clamping groove in a clamping mode to achieve contact of the first charging part and the second charging part.