CN114007156A - Computer earphone with automatic wire bunching function - Google Patents

Computer earphone with automatic wire bunching function Download PDF

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Publication number
CN114007156A
CN114007156A CN202111224396.4A CN202111224396A CN114007156A CN 114007156 A CN114007156 A CN 114007156A CN 202111224396 A CN202111224396 A CN 202111224396A CN 114007156 A CN114007156 A CN 114007156A
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CN
China
Prior art keywords
earphone
wire
adjusting rod
computer
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111224396.4A
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Chinese (zh)
Inventor
李呈然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Meetion Tech Co ltd
Original Assignee
Shenzhen Meetion Tech Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Meetion Tech Co ltd filed Critical Shenzhen Meetion Tech Co ltd
Priority to CN202111224396.4A priority Critical patent/CN114007156A/en
Publication of CN114007156A publication Critical patent/CN114007156A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1033Cables or cables storage, e.g. cable reels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/12Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention discloses a computer earphone with an automatic wire bunching function, which comprises an earphone body, wherein an adjusting rod is arranged on the earphone body, the adjusting rod is arranged in a telescopic sleeve, a microphone is fixedly arranged on one side of the earphone body, an earphone wire is arranged on the other side of the earphone body, a telescopic groove is formed in the telescopic sleeve, the adjusting rod is slidably arranged in the telescopic groove, a rotating groove is formed in the earphone body, one end of the adjusting rod is fixedly connected with a rotating piece, the rotating piece is rotatably arranged in the rotating groove, one end of the adjusting rod, which is positioned in the telescopic groove, is fixedly connected with a positioning plate, a positioning hole is integrally formed in the positioning plate, a positioning bolt matched with the positioning hole is arranged on the telescopic sleeve, a wire collecting roller is arranged in the earphone body, the earphone wire is wound on the wire collecting roller, the wire collecting roller is driven to rotate by a micro motor, and a cleaning brush is arranged below the wire collecting roller. The earphone wire can be automatically bundled and retracted, so that the cleanness and the tidiness of the earphone wire are guaranteed, the earphone wire is convenient to adjust, the use comfort is high, and various use requirements are met.

Description

Computer earphone with automatic wire bunching function
Technical Field
The invention relates to the technical field of earphones, in particular to a computer earphone with an automatic wire bunching function.
Background
Earphones (ears; heads-sets; ears) are a pair of conversion units that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers near the ears. The earphone can be separated from the media player, can be connected by only using one plug, and can listen to the sound independently without influencing other people; can also isolate the sound of the surrounding environment, and is very helpful for people who use in a noisy environment such as a recording studio, a bar, a trip, sports, and the like. The earphone is originally used for telephone and radio, but with the prevalence of portable electronic devices, the earphone is often used for mobile phones, walkmans, radios, portable electronic games, digital audio players, and the like. From the development of the whole audio industry, the wireless headset still is a new thing, the development time is not long, the user demand is continuously improved in the ascending period, the expected value of the user on the wireless headset is also improved, and the new examination is provided for the industry. Several points of concern to users include sound quality, cruising ability, wireless transmission capability, and data transmission delay. From the aspect of data, the wireless transmission capability can basically meet the requirements of most users, the sound quality and the cruising ability have great improvement potential, and if the improvement is carried out from the two points, the eyeball of the user can be easily attracted in the future.
At present, the earphone that the computer used is mostly the headphone, traditional headphone earphone cord is mostly the fixed length, and expose outside, the earphone cord is longer because length when using, can lead to its intertwine, or collude at positions such as table chair, and the earphone cord can be infected with dirty such as dust, relatively poor experience has been brought for the use, traditional computer earphone all is buckle formula regulation, use the position of adjusting the earphone according to the individual, buckle formula is adjusted and is dropped easily, it leads to the earphone position to change to become flexible easily when using, the discomfort has been brought for the use, consequently, the computer earphone of traditional structure is more and more difficult to satisfy people's user demand.
Based on the above, the invention designs a computer earphone with an automatic wire bunching function, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a computer earphone with an automatic wire bunching function, which aims to solve the problems that at present, earphones used by a computer are mostly head-wearing earphones, traditional head-wearing earphone wires are mostly fixed in length and are exposed outside, the earphone wires are mutually wound due to long length when the computer earphone is used, or the earphone wires are hooked at positions of tables, chairs and the like and are polluted due to dust and the like, poor experience is brought to use, the traditional computer earphones are buckled and adjusted, the positions of the earphones are adjusted according to personal use, the buckled adjustment is easy to fall off, the positions of the earphones are changed due to easy looseness when the computer earphone is used, discomfort is brought to use, and the computer earphones with the traditional structure are more and more difficult to meet the use requirements of people.
In order to achieve the purpose, the invention provides the following technical scheme:
a computer earphone with an automatic wire bunching function comprises an earphone body, wherein an adjusting rod is arranged on the earphone body and is installed in a telescopic sleeve, a microphone is fixedly installed on one side of the earphone body, an earphone wire is arranged on the other side of the earphone body, a telescopic groove is formed in the telescopic sleeve, the adjusting rod is slidably installed in the telescopic groove, a rotating groove is formed in the earphone body, one end of the adjusting rod is fixedly connected with a rotating piece, the rotating piece is rotatably installed in the rotating groove, one end of the adjusting rod, which is positioned in the telescopic groove, is fixedly connected with a positioning plate, a positioning hole is integrally formed in the positioning plate, a positioning bolt matched with the positioning hole is arranged on the telescopic sleeve, a wire coiling roller is arranged in the earphone body and is wound on the wire coiling roller, and the wire coiling roller is driven by a micro motor to rotate, and a cleaning brush is arranged below the wire take-up roller.
As a further scheme of the invention, a rotating shaft is fixedly arranged on one side of the take-up roller, and the rotating shaft is rotatably arranged in a rotating shaft groove formed in the earphone body.
As a further scheme of the invention, a stop block is integrally formed on the positioning bolt, and a return spring is arranged above the stop block and around the positioning bolt.
As a further scheme of the invention, a soft cushion is detachably arranged on the inner side of the telescopic sleeve through a clamping groove.
As a further scheme of the invention, the earphone sleeve is detachably mounted on the earphone body and is made of a skin-friendly material protective sleeve.
As a further scheme of the invention, a partition plate is fixedly arranged above the cleaning brush at the bottom of the wire take-up roller, a split plate is arranged on the earphone body below the partition plate, and the split plate is hinged.
As a further aspect of the present invention, the cleaning brush is wrapped outside the earphone line, and the cleaning brush is fixedly installed in the earphone body.
Compared with the prior art, the invention has the beneficial effects that:
the computer earphone with the automatic wire bunching function is provided with the wire collecting roller, the wire collecting roller can collect and discharge an earphone wire according to the use requirement of a user so as to reach a proper length, the partition plate is arranged below the wire collecting roller, the cleaning brush is arranged in the partition plate, dust, dirt and the like attached to the surface of the earphone wire can be cleaned through the cleaning brush in the earphone wire collecting process, the dirt can be cleaned out by opening the opening plate at the later stage, and the cleanness of the earphone wire is guaranteed. The telescopic sleeve is provided with the positioning bolt, and the positioning bolt can be fixed in the positioning hole formed in the positioning plate, so that the telescopic sleeve and the adjusting rod are fixed, the position change of a headset in the use process is avoided, and the use comfort level is improved. The earphone is provided with a rotating groove, the adjusting rod is rotatably installed in the rotating groove through a rotating piece, and the rotating piece can be rotated to change the inclination angle of the adjusting rod. The invention is convenient to adjust, has high use comfort and meets various use requirements.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the whole structure of a computer earphone with an automatic wire harness function according to the present invention;
FIG. 2 is a schematic cross-sectional front view of a computer headset with an automatic wire harness function according to the present invention;
FIG. 3 is a partial schematic view of a computer headset with an automatic wire harness function according to the present invention;
fig. 4 is a partial schematic view of a computer headset with an automatic wire harness function according to the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an earphone body; 2. adjusting a rod; 3. a telescopic sleeve; 4. a microphone; 5. a soft cushion; 6. a telescopic groove; 7. a rotating member; 8. a rotating groove; 9. an earphone sleeve; 10. positioning a plate; 11. positioning holes; 12. positioning bolts; 13. a return spring; 14. a stopper; 15. a wire take-up roller; 16. a micro motor; 17. a rotating shaft; 18. a rotating shaft groove; 19. a partition plate; 20. a cleaning brush; 21. opening and closing the board; 22. an earphone line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the present invention provides a computer headset with an automatic wire harness function, wherein,
FIG. 1 is a general view of a computer headset with an automatic wire harness function according to the present invention; FIG. 2 is a schematic cross-sectional front view of a computer headset with an automatic wire harness function according to the present invention; FIG. 3 is a partial schematic view of a computer headset with an automatic wire harness function according to the present invention; fig. 4 is a partial schematic view of a computer headset with an automatic wire bunching function according to the invention, as can be seen from fig. 1-4, the computer headset with the automatic wire bunching function comprises a headset body 1, an adjusting rod 2 is arranged on the headset body 1, the adjusting rod 2 is arranged in a telescopic sleeve 3, a microphone 4 is fixedly arranged on one side of the headset body 1, a headset wire 22 is arranged on the other side of the headset body 1, a telescopic groove 6 is arranged in the telescopic sleeve 3, the adjusting rod 2 is slidably arranged in the telescopic groove 6, a rotating groove 8 is arranged on the headset body 1, one end of the adjusting rod 2 is fixedly connected with a rotating piece 7, the rotating piece 7 is rotatably arranged in the rotating groove 8, and an inclination angle between the headset body 1 and the adjusting rod 2 and the telescopic sleeve 3 can be changed by the rotating piece 7 rotating in the rotating groove 8, adjust at will according to user's user demand, it is located to adjust pole 2 one end fixed connection locating plate 10 in flexible groove 6, integrated into one piece has locating hole 11 on the locating plate 10, be provided with on the flexible cover 3 with the locating pin 12 of locating hole 11 adaptation, be provided with wire winding roller 15 in the earphone body 1, earphone cord 22 winding sets up on the wire winding roller 15, wire winding roller 15 is rotated by micro motor 16 drive, wire winding roller 15 below is provided with cleaning brush 20.
A rotating shaft 17 is fixedly installed on one side of the wire take-up roller 15, and the rotating shaft 17 is rotatably installed in a rotating shaft groove 18 formed in the earphone body 1. A stop 14 is integrally formed on the positioning bolt 12, and a return spring 13 is arranged above the stop 14 and around the positioning bolt 12. When needs adjust, extract the gim peg 12, the locating plate 10 of being can stretch out and draw back the activity in flexible groove 13, change to suitable length, under rethread reset spring 13's effect, realize fixing in inserting the gim peg 12 locating hole 11 to reach the purpose of adjusting length, it is comparatively convenient to adjust the operation, and can not appear becoming flexible slippage between adjusting pole 2 and the telescope tube 3 after fixing, improves use comfort.
Cushion 5 is detachably installed through the draw-in groove in 3 inboards of flexible cover. The soft cushion 5 is tightly attached to the head of a user, so that the comfort level is improved. Earphone sleeve 9 is detachably mounted on earphone body 1, earphone sleeve 9 is a skin-friendly material protective sleeve.
Receive line roller 15 and bottom and be located cleaning brush 20 top fixed mounting has baffle 19, 19 below the baffle is located be provided with open-close plate 21 on the earphone body 1, open-close plate 21 hinged joint. The cleaning brush 20 is wrapped outside the earphone cord 22, and the cleaning brush 20 is fixedly installed in the earphone body 1. When the earphone wire 22 passes through the cleaning brush 20, part of dust is blocked by the cleaning brush 20 and falls off, part of dust enters the earphone body 1 and is blocked by the partition plate 19 and falls off, and in the subsequent cleaning process, the dust can be quickly cleaned out only by opening the opening and closing plate 21.
The computer earphone with the automatic wire bunching function is provided with the wire collecting roller 15, the wire collecting roller 15 can collect and discharge the earphone wire 22 according to the use requirement of a user so as to reach a proper length, the partition plate 19 is arranged below the wire collecting roller 15, the cleaning brush 20 is arranged in the partition plate, dust, dirt and the like attached to the surface of the earphone wire 22 can be cleaned through the cleaning brush 20 in the collection process of the earphone wire 22, the dirt can be cleaned out by opening the opening plate 21 at the later stage, and the tidiness of the earphone wire 22 is ensured. The telescopic sleeve is provided with the positioning bolt 12, and the positioning bolt 12 can be fixed in the positioning hole 11 formed in the positioning plate 10, so that the telescopic sleeve 3 and the adjusting rod can be fixed, the position change of a headset in the use process is avoided, and the use comfort is improved. The earphone body 1 is provided with a rotating groove 8, the adjusting rod 2 is rotatably installed in the rotating groove 8 through a rotating piece 7, and the rotating piece 7 can be rotated to change the inclination angle of the adjusting rod 2. The invention is convenient to adjust, has high use comfort and meets various use requirements.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The computer earphone with the automatic wire bunching function comprises an earphone body (1) and is characterized in that an adjusting rod (2) is arranged on the earphone body (1), the adjusting rod (2) is installed in a telescopic sleeve (3), a microphone (4) is fixedly installed on one side of the earphone body (1), an earphone wire (22) is arranged on the other side of the earphone body (1), a telescopic groove (6) is formed in the telescopic sleeve (3), the adjusting rod (2) is slidably installed in the telescopic groove (6), a rotating groove (8) is formed in the earphone body (1), one end of the adjusting rod (2) is fixedly connected with a rotating piece (7), the rotating piece (7) is rotatably installed in the rotating groove (8), and the adjusting rod (2) is located at one end of a fixed connection positioning plate (10) in the telescopic groove (6), locating plate (10) is gone up integrated into one piece has locating hole (11), be provided with on flexible cover (3) with locating bolt (12) of locating hole (11) adaptation, be provided with in earphone body (1) and receive line roller (15), earphone cord (22) winding sets up receive line roller (15) are last, receive line roller (15) and rotate by micro motor (16) drive, it is provided with cleaning brush (20) to receive line roller (15) below.
2. The computer earphone with the automatic wire bunching function as claimed in claim 1, wherein a rotating shaft (17) is fixedly installed at one side of the wire take-up roller (15), and the rotating shaft (17) is rotatably installed in a rotating shaft groove (18) formed in the earphone body (1).
3. The computer earphone with the function of automatic wire harness according to claim 1, wherein a stop (14) is integrally formed on the positioning bolt (12), and a return spring (13) is arranged above the stop (14) and around the positioning bolt (12).
4. The computer earphone with the function of automatic wire harness according to claim 1, wherein the soft cushion (5) is detachably arranged on the inner side of the telescopic sleeve (3) through a clamping groove.
5. The computer earphone with the automatic wire bunching function as claimed in claim 1, wherein the earphone sleeve (9) is detachably mounted on the earphone body (1), and the earphone sleeve (9) is a skin-friendly material protective sleeve.
6. The computer earphone with the automatic wire bunching function as claimed in claim 1, wherein a partition plate (19) is fixedly mounted above the cleaning brush (20) on the wire take-up roller (15) and the bottom, a split plate (21) is arranged on the earphone body (1) below the partition plate (19), and the split plate (21) is hinged.
7. The computer earphone with automatic wire harness function according to claim 1, wherein the cleaning brush (20) is wrapped outside the earphone wire (22), and the cleaning brush (20) is fixedly installed in the earphone body (1).
CN202111224396.4A 2021-10-21 2021-10-21 Computer earphone with automatic wire bunching function Pending CN114007156A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111224396.4A CN114007156A (en) 2021-10-21 2021-10-21 Computer earphone with automatic wire bunching function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111224396.4A CN114007156A (en) 2021-10-21 2021-10-21 Computer earphone with automatic wire bunching function

Publications (1)

Publication Number Publication Date
CN114007156A true CN114007156A (en) 2022-02-01

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CN (1) CN114007156A (en)

Citations (20)

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Publication number Priority date Publication date Assignee Title
KR200228489Y1 (en) * 2001-01-18 2001-06-15 주식회사서원케이텍크 Head set
CN203708438U (en) * 2014-01-09 2014-07-09 哈尔滨学院 Special earphone for English teaching
CN205491030U (en) * 2016-01-28 2016-08-17 深圳市深联创电子有限公司 Healthy bluetooth headset of wear -type motion
CN106454577A (en) * 2016-08-24 2017-02-22 深圳市倍轻松科技股份有限公司 Sleep headset
CN207802312U (en) * 2018-02-08 2018-08-31 杨文秋 A kind of earmuff that can conveniently listen song
CN208337842U (en) * 2018-07-13 2019-01-04 上海赤涯网络科技有限公司 A kind of earphone cable with storage device
CN208739379U (en) * 2018-10-29 2019-04-12 杭州微先贸易有限公司 A kind of computer headset with automatic bunch function
CN208783056U (en) * 2018-11-16 2019-04-23 黑龙江科技大学 A kind of Russian study earphone special
CN209105393U (en) * 2018-11-30 2019-07-12 惠州市威隆展业实业有限公司 A kind of earphone convenient for adjusting
CN209390493U (en) * 2018-10-10 2019-09-13 成都富域电气设备有限公司 A kind of the using and the reserved spray pump intelligent controlling device
CN210075519U (en) * 2019-05-28 2020-02-14 深圳市米纳思科技发展有限公司 Earphone with aviation plug
CN210247015U (en) * 2019-09-23 2020-04-03 深圳市比方创展科技有限公司 Earphone convenient to accomodate
CN210431763U (en) * 2019-11-29 2020-04-28 东莞市金铂钰橡塑五金制品有限公司 Neck hanging type telescopic Bluetooth earphone
CN210986396U (en) * 2020-03-23 2020-07-10 冼超兰 Earphone with earphone cord cleaning function
CN211606772U (en) * 2020-04-03 2020-09-29 刘书敏 Anti-winding earphone
CN211791967U (en) * 2020-04-10 2020-10-27 深圳市汉荣达电子有限公司 Special frequency modulation earphone for English listening tests
CN212811973U (en) * 2020-07-31 2021-03-26 深圳市丽耳科技有限公司 Intelligent wearing earphone
CN212936152U (en) * 2020-08-18 2021-04-09 王翰臣 Earphone with conveniently receive line function
CN213462240U (en) * 2020-12-18 2021-06-15 重庆市美泰塑胶有限责任公司 Headset with foldable headset head
CN113055775A (en) * 2021-03-10 2021-06-29 内蒙古民族大学 Listening training device is used in english teaching

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200228489Y1 (en) * 2001-01-18 2001-06-15 주식회사서원케이텍크 Head set
CN203708438U (en) * 2014-01-09 2014-07-09 哈尔滨学院 Special earphone for English teaching
CN205491030U (en) * 2016-01-28 2016-08-17 深圳市深联创电子有限公司 Healthy bluetooth headset of wear -type motion
CN106454577A (en) * 2016-08-24 2017-02-22 深圳市倍轻松科技股份有限公司 Sleep headset
CN207802312U (en) * 2018-02-08 2018-08-31 杨文秋 A kind of earmuff that can conveniently listen song
CN208337842U (en) * 2018-07-13 2019-01-04 上海赤涯网络科技有限公司 A kind of earphone cable with storage device
CN209390493U (en) * 2018-10-10 2019-09-13 成都富域电气设备有限公司 A kind of the using and the reserved spray pump intelligent controlling device
CN208739379U (en) * 2018-10-29 2019-04-12 杭州微先贸易有限公司 A kind of computer headset with automatic bunch function
CN208783056U (en) * 2018-11-16 2019-04-23 黑龙江科技大学 A kind of Russian study earphone special
CN209105393U (en) * 2018-11-30 2019-07-12 惠州市威隆展业实业有限公司 A kind of earphone convenient for adjusting
CN210075519U (en) * 2019-05-28 2020-02-14 深圳市米纳思科技发展有限公司 Earphone with aviation plug
CN210247015U (en) * 2019-09-23 2020-04-03 深圳市比方创展科技有限公司 Earphone convenient to accomodate
CN210431763U (en) * 2019-11-29 2020-04-28 东莞市金铂钰橡塑五金制品有限公司 Neck hanging type telescopic Bluetooth earphone
CN210986396U (en) * 2020-03-23 2020-07-10 冼超兰 Earphone with earphone cord cleaning function
CN211606772U (en) * 2020-04-03 2020-09-29 刘书敏 Anti-winding earphone
CN211791967U (en) * 2020-04-10 2020-10-27 深圳市汉荣达电子有限公司 Special frequency modulation earphone for English listening tests
CN212811973U (en) * 2020-07-31 2021-03-26 深圳市丽耳科技有限公司 Intelligent wearing earphone
CN212936152U (en) * 2020-08-18 2021-04-09 王翰臣 Earphone with conveniently receive line function
CN213462240U (en) * 2020-12-18 2021-06-15 重庆市美泰塑胶有限责任公司 Headset with foldable headset head
CN113055775A (en) * 2021-03-10 2021-06-29 内蒙古民族大学 Listening training device is used in english teaching

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