JP2005277995A - Radio head set instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve an acoustic characteristic by holding a loudspeaker and a microphone at an appropriate interval. <P>SOLUTION: A radio head set instrument is constituted of: a body part 11 which incorporates the loudspeaker 16 and a circuit board 14 mounted with a radio transmission/reception circuit part and in which sound discharge part 15 of the loudspeaker 16 is applied to an ear 4; and an elastic arm part 12 which is projectingly formed from the body part 11 in an almost arc shape and is hung to an auricle 3 to hold the body part 11. The distal end part 12b of the elastic arm part is brought close to a mouth 5 and is extended in a state where the elastic arm part 12 is hung to the auricle 3. A microphone 23 connected to the radio transmission/reception circuit part is incorporated inside the distal end part 12b. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention incorporates, for example, a speaker and a microphone that are connected to a wireless transmission / reception circuit unit that is wirelessly connected to a mobile phone, and is attached to a user's ear shell so that the mobile phone can be held without gripping the mobile phone. The present invention relates to a wireless headset device capable of making a call.

  For example, mobile phones have been tremendously multifunctional and complex, and the function as an information terminal device has become more important than the function as a communication device. A mobile phone is provided with a large-capacity memory and an information connector, so that various types of information are exchanged by connecting to a computer, for example. In a mobile phone, for example, various information and music information are obtained by connecting to the Internet network, a music distribution service network, etc., and the information is displayed on a liquid crystal display or listened to by a speaker. In mobile phones, for example, image information captured by a built-in CCD camera is generally displayed on a liquid crystal display as a standby screen or transmitted to a computer or a call partner.

  In mobile phones, headsets with built-in speakers and microphones are used as accessory devices so that users can use them without holding the speakers and microphones in their ears and mouth. It has been. Conventionally, a mobile phone has been connected to a headset via a communication cable. However, a headset that can be easily connected wirelessly is provided. Also, wireless headsets are not always used, but are smaller than headsets that are worn on the head, so a so-called ear-mounted wireless headset that is used by being hooked on the ear shell is provided. Yes. (For example, see Patent Document 1 to Patent Document 3.)

The mobile phone can be wirelessly connected to a computer or the like by, for example, an infrared wireless communication system based on the IrDA (Inffared Data Association) standard or a short-range wireless data communication technology system based on the Bluetooth standard. The mobile phone is configured to perform a wireless connection based on such a wireless communication method for the headset as an accessory device, so that it is possible to make a call without holding it.
JP-A-9-93153 JP 2000-324218 A JP 2002-118635 A

  By the way, in order to reduce the size of the conventional ear-hook type headset, a speaker and a microphone are built in the housing as in Patent Document 1 described above. Such an ear-mounted headset has a structure in which a speaker and a microphone are arranged close to each other due to the small size of the casing, and there is a problem that an echo phenomenon and a howling phenomenon occur during a call. For example, the ear-hook type headset is provided with a partition wall inside the housing to acoustically isolate the speaker and the microphone, but the structure is complicated and cannot be adequately handled. It was.

Further, in the ear-mounted headsets described in Patent Document 2 and Patent Document 3 described above, the ear-hook arm is provided in the speaker unit, and a microphone is built in the tip of the arm extended from the speaker unit. The part is composed. Such an ear-mounted headset maintains the distance between the speaker and the microphone, thereby improving the acoustic characteristics. However, such an ear-mounted headset is composed of an ear-hook arm, a speaker portion, and a microphone portion, so that the overall size is large and the structure is complicated, and it is extremely convenient to use as an accessory for a miniaturized mobile phone. There was a problem of being bad.

  Furthermore, in the headset, when the mobile phone receives, for example, a music distribution service, or when a received television broadcast is viewed using a liquid crystal display, the microphone is an obstacle because only the speaker is used.

  Therefore, the present invention has been proposed for the purpose of providing a small and easy-to-use wireless headset device that improves acoustic characteristics by maintaining a speaker and a microphone at an appropriate interval.

  A wireless headset device according to the present invention that achieves the above-mentioned object includes a speaker and a wireless transmission / reception circuit unit, a main body unit that is applied so that a sound emitting unit of the speaker covers an ear hole, It has an arcuate shape and is formed of an elastic arm portion that holds the main body portion by being hooked on the ear shell. The wireless headset device has a built-in microphone in which the elastic arm portion extends close to the mouth in a state where the elastic arm portion is hung on the ear shell, and is connected to the wireless transmission / reception circuit portion inside the distal end portion. .

  In the wireless headset device configured as described above, the speaker is applied so that the user covers the ear hole by hanging the elastic arm portion on the ear shell, and a microphone built in the tip of the elastic arm portion is provided. Opposite the mouth. In the wireless headset device, the microphone provided at the distal end portion of the elastic arm portion is held at a sufficient interval with respect to the speaker built in the main body portion. In the wireless headset device, by performing a bending operation on the elastic arm unit, a user can individually perform a good call by aligning the microphone with the mouth. In the wireless headset device, space can be saved when not in use by bending the elastic arm portion as appropriate.

  In the wireless headset device according to the present invention, the wireless transmission / reception circuit unit is wirelessly connected to a mobile phone constituting the main device by a wireless communication method based on the Bluetooth standard. The wireless headset device is miniaturized and connected to various main body devices or this main body device by including a wireless transmission / reception circuit unit composed of a Bluetooth module of the Bluetooth wireless communication standard that is small and versatile in a chip. Information is exchanged with the peripheral devices that have been used.

  Furthermore, the wireless headset device according to the present invention is such that the elastic arm portion is detachable from the attachment portion of the main body portion, so that the main body portion and the microphone portion are divided when not in use, etc. Space saving is achieved. In wireless headset devices, it is possible to select and replace the elastic arm parts with different lengths and curved states, so that the speaker part and the microphone part are optimally positioned facing the user's ear and mouth. Calls are made.

  Furthermore, the wireless headset device according to the present invention is configured so that the length can be freely adjusted by combining the elastic arm portion with the main body portion side and the tip portion containing the microphone in the middle with a sheath structure. In the wireless headset device, by extending the tip portion with respect to the main body side, the microphone is aligned with the mouth and a good call is performed. Further, in the wireless headset device, the space can be saved by retracting the distal end portion with respect to the main body portion side when not in use.

  Furthermore, in the wireless headset device according to the present invention, the microphone is configured to be detachable from the distal end portion of the elastic arm portion. In the wireless headset device, the microphone unit is removed in a usage mode in which the main device side receives a music distribution service or receives a television broadcast to view a program and does not make a call.

  According to the wireless headset device according to the present invention configured as described above, by incorporating a microphone at the distal end portion of the elastic arm portion that protrudes from the main body portion that incorporates the speaker and hangs on the ear shell, When the user hangs the elastic arm part on the ear shell, the speaker is applied so as to cover the ear hole, and the microphone provided at the tip of the elastic arm part is positioned facing the mouth so that the speaker and the microphone are sufficiently spaced. Retained. According to the wireless headset device, it is possible to make a call without having to hold the main device, and the occurrence of echoes and howling during the call is prevented, and the speaker and the microphone are accurately positioned facing the ear and the mouth. As a result, the call characteristics can be improved. According to the wireless headset device, it is possible to reduce the size and weight, and to improve usability without giving fatigue or annoyance even when used for a long time.

  Hereinafter, a wireless headset device 10 shown as an embodiment of the present invention will be described in detail with reference to the drawings. The wireless headset device 10 is provided as an optional device of the mobile phone 1, for example, and is used by being wirelessly connected to the mobile phone 1 by a wireless communication method based on the Bluetooth standard. As shown in FIG. 1, the wireless headset device 10 is used by the user 2 being hooked on the ear shell 3, so that a speaker 16 described later faces the ear 4 and the microphone 23 faces the mouth 5. . The wireless headset device 10 allows the mobile phone 1 to talk while holding the speaker unit 6 and the microphone unit 7 so that the speaker unit 6 and the microphone unit 7 are applied to the ear 4 and the mouth 5 and watching the screen of the liquid crystal display 8. It is possible to perform.

  The wireless headset device 10 is also capable of content while viewing the screen of the liquid crystal display 8 even when the mobile phone 1 receives, for example, a music or various content distribution service or receives a TV broadcast to view a program. And watching broadcast programs. The wireless headset device 10 is configured such that the cellular phone 1 is connected to, for example, a computer or an audio device via Bluetooth, so that the audio information is output from the speaker 16 while the image information output from the computer or the audio device is viewed on the screen of the liquid crystal display 8. Allows viewing of information. Note that the wireless headset device 10 can be used not only for the mobile phone 1 but also for an appropriate device having a wireless call function, and the microphone 23 can appropriately supply audio information.

  As is well known, the wireless communication system based on the Bluetooth standard performs data transmission at a data transmission rate of about 721 kbit / second in a communication range of 10 meters using a 2.45 GHz frequency band. Bluetooth wireless communication is generally provided as a single chip. For example, a Bluetooth module having an antenna element, an RF circuit and a baseband signal processing circuit, a flash EEPROM (electrically erasable / programmable read only memory) or a crystal oscillator is used. It is done. The wireless headset device 10 constitutes a wireless transmission / reception circuit unit by mounting this Bluetooth module chip, and exchanges various information wirelessly with a Bluetooth module chip of an equivalent function built in the mobile phone 1. .

As shown in FIGS. 2 and 3, the wireless headset device 10 includes a main body portion 11 having a substantially vertically long elliptical shape having an outer dimension substantially equal to the size of a general adult ear, and the main body 11. The elastic arm portion 12 is integrally formed so as to protrude from the portion 11. Body 11
The circuit board 14 in which the Bluetooth module chip 13, the control circuit unit, the power supply circuit unit, etc., whose details are omitted, is incorporated.

  As shown in FIG. 2, the main body 11 has an inner first main surface 11a facing the ear hole in a state where the elastic arm 12 is hung on the ear shell 3 and attached to the ear 4 as will be described later. A large number of sound emitting holes 15 are formed. The main body 11 incorporates a speaker 16 mounted on the circuit board 14 with the sound emission part facing the sound emission holes 15. A cushioning material 16 a that surrounds the sound emitting hole 15 and has a good so-called ear contact is attached to the main body 11.

  Although not shown, the main body 11 incorporates a secondary battery for supplying power to internal circuits and the like, and a pair of charging terminals 17a for charging the secondary battery. , 17b are provided to be exposed at the outer peripheral portion. The charging terminals 17a and 17b are arranged on the side surface opposite to the side surface on which the elastic arm portion 12 of the main body 11 extends. However, the charging terminals 17a and 17b are arranged at appropriate positions by adjusting the structure of the charger and the overall design. Of course. Further, the charging terminals 17a and 17b may be covered with a lid so as to be exposed on the surface of the main body 11 when charging is performed.

  A switch button 18 for switching on / off as shown in FIG. 3 is provided on the main body 11 on the second main surface 11b opposite to the first main surface 11a described above, which is outside when the ear 4 is worn. There are provided a first volume button 19 for lowering the volume across the switch button 18 and a second volume button 20 for increasing the volume. Each of the buttons 18 to 20 has an operation surface that is substantially the same surface as the second main surface 11b and is configured not to be operated carelessly.

  The switch button 18 is a so-called push-push type switch that is switched on / off each time it is pressed, and switches on / off the connection with the mobile phone 1. The first volume button 19 and the second volume button 20 are connected to a volume adjusting circuit mounted on the circuit board 14 although the details are omitted, and the volume of sound emitted from the speaker 16 is stepped each time a pressing operation is performed. Down or up.

  For example, the main body 11 may be provided with a display unit such as an LED for displaying an on / off switching state on the second main surface 11b. The main body 11 may be provided with other changeover switch buttons and the like, and is not limited to the push-push type switch described above. However, the main body 11 is configured so as not to increase in weight or size by mounting various functions because it is used by being mounted on the ear 4.

  The wireless headset device 10 is positioned substantially at the top of the main body 11 and has an attachment portion 21 integrally formed. The base end portion is integrated through the attachment portion 21, thereby the main body portion 11. An elastic arm portion 12 is formed so as to protrude. The attachment portion 21 is composed of a cylindrical portion that protrudes from the substantially top of the main body portion 11 toward the first main surface 11a side with a protrusion amount substantially equal to the thickness of a general adult ear shell, The base end portion 12a of the elastic arm portion 12 is coupled.

Although not shown in the drawings, the elastic arm portion 12 has an outer cylindrical portion formed in an overall cylindrical shape by an elastic material such as an elastomer, and a large number of embedded embedded throughout the entire length of the outer cylindrical portion. It consists of a metal wire such as a piano wire. As shown in FIGS. 1 to 3, the elastic arm portion 12 has a semicircular arc shape so as to surround the outer peripheral portion of the main body portion 11 by a substantially half circumference, and the distal end side portion is gradually twisted from the central portion. As shown in FIG. 1, the distal end portion 12 b is curved so as to extend facing the first main surface 11 a in a lower portion of the main body portion 11. The elastic arm portion 12 can be bent into an appropriate shape with a simple and slight force from the above-described structure, and this shape is held by a piano wire.

  In the elastic arm portion 12, a small microphone 23 is accommodated in the front end portion 12 b covered with the buffer material 22. Although not described in detail in the elastic arm portion 12, a microphone hole is formed in a wall facing the sound collection portion of the microphone 23. Conductive wires connected to the acoustic processing circuit portion formed on the circuit board 14 and drawn from the main body portion 11 through the attachment portion 21 are electrically connected to the elastic arm portion 12, and the leading ends of these conductive wires are the leading end portions. It is connected to a microphone 23 built in 12b.

  In the wireless headset device 10 configured as described above, the main body portion 11 is applied to the ear 4 with the first main surface 11a inside, and the elastic arm portion 12 is interposed between the ear shell 3 and the head. As shown in FIG. 1, it is worn on the ear 4 of the user 2 by being multiplied. The wireless headset device 10 sandwiches the ear shell 3 between the main body portion 11 and the elastic arm portion 12, and is in a state where the elastic arm portion 12 is suspended from the ear 4, and is quickly attached to the ear 4 by an extremely simple operation. It is possible.

  In the wireless headset device 10, the sound emitting hole 15 formed in the first main surface 11 a in a state of being attached to the ear 4, in other words, the speaker 16 is opposed to the ear hole, and is built in the distal end portion 12 b of the elastic arm portion 12. The microphone 23 is positioned opposite to the mouth 5. In the wireless headset device 10, when the microphone 23 is not positioned to face the mouth 5, an adjustment operation for appropriately bending the middle portion of the elastic arm unit 12 is performed.

  The wireless headset device 10 performs a call with a called party, for example, using the mobile phone 1, but the user 2 does not have to hold and hold the speaker 16 and the microphone 23 by turning on the switch button 18. It is possible to make a so-called hands-free call. In the wireless headset device 10, the called party's voice received by the mobile phone 1 is wirelessly transmitted from the Bluetooth chip to the Bluetooth chip built in the main body 11 and reproduced from the speaker 16. In the wireless headset device 10, the voice of the user 2 is converted into an audio signal and wirelessly transmitted from the Bluetooth chip built in the main body 11 to the Bluetooth chip on the mobile phone 1 side. Called to the caller.

  The wireless headset device 10 has a structure in which the speaker 16 is built in the main body 11 and the microphone 23 is built in the distal end portion 12b of the elastic arm 12 as described above. Therefore, in the wireless headset device 10, the speaker 16 and the microphone 23 are held at a sufficient interval, so that echo and howling are prevented during a call and a call is made while maintaining good call characteristics. .

  In the wireless headset device 10, the speaker 16 is in close contact with the ear 4 of the user 2, and the microphone 23 is disposed opposite to the mouth 5 in close proximity. Therefore, in the wireless headset device 10, sound leakage to the outside is minimized to improve the secrecy and, for example, a clear call can be performed even in a noisy atmosphere.

The wireless headset device 10 is extremely versatile because the microphone 23 can be adjusted to an optimum position with respect to the mouth 5 by appropriately adjusting the bending state of the elastic arm portion 12. It is possible to improve the call characteristics in the above-described noise atmosphere. In the wireless headset device 10, for example, it is possible to handle the elastic arm portion 12 so as not to get in the way by curving the elastic arm portion 12 when the wireless headset device 10 is not used, thereby improving usability.

  In the wireless headset device 10, as described above, the mobile phone 1 is used in a hands-free manner, for example, in a usage form such as receiving music or various content distribution services or watching a television broadcast. In the wireless headset device 10, breathing sound or the like is picked up by the microphone 23 and may feel annoying when it goes around the speaker 16, but the switch button 18 is turned off to turn off only the microphone 23. Is also possible.

  The wireless headset device 30 shown in FIGS. 4 and 5 as the second embodiment is used without using the above-described microphone 23 by making the microphone portion 32 detachable from the elastic arm portion 31. It becomes possible to cope with the form suitably. Since the wireless headset device 30 has the same configuration as the corresponding part of the wireless headset device 10 described above except for the elastic arm part 31 and the microphone part 32, the same reference numeral is assigned to the corresponding part. The description will be omitted.

  In the wireless headset device 30, the elastic arm portion 31 has the same basic configuration as the elastic arm portion 12 described above, and the base end portion 31 a is attached to the main body portion 11 via the attachment portion 21. Yes. The elastic arm portion 31 is provided with a screw 33 on the outer peripheral portion of the distal end portion 31b, and a connector whose details are omitted.

  The microphone part 32 is formed to have a bottomed cylindrical shape as a whole, and the microphone 23 is built therein. The microphone part 32 is assembled with a coupling ring member 34 having an inner peripheral screw threaded into an outer peripheral screw 33 on the elastic arm part 31 side on the inner peripheral part on the opening part side and is prevented from falling off, and is mounted on the elastic arm part 31 side. A connector to be coupled to the connector is provided.

  In the wireless headset device 30, the microphone unit 32 is removed from the elastic arm unit 31 particularly when the microphone 23 is not used. That is, in the wireless headset device 30, when the microphone ring 32 is pulled out from the elastic arm portion 31 while the coupling ring member 34 is loosened, the coupled state of the connector is released so that the elastic arm portion 31 and the microphone portion 32 are connected. To be separated.

  In the wireless headset device 30, when the microphone 23 is used from a state where the elastic arm portion 31 and the microphone portion 32 are separated from each other, the microphone portion 32 is connected to the distal end portion 31 b of the elastic arm portion 31 and the opposite connector is connected. Join. In the wireless headset device 30, in this state, the coupling ring member 34 is moved to the elastic arm portion 31 side, and the outer peripheral screw 33 is screwed to the inner peripheral screw. In the wireless headset device 30, the microphone portion 32 is integrated with the distal end portion 31 b of the elastic arm portion 31 by rotating the coupling ring member 34 and screwing the inner peripheral screw into the outer peripheral screw 33.

  With the above-described structure, the wireless headset device 30 can listen to music and the like in a good state so as to eliminate the influence of the microphone 23 when not needed, without providing a microphone switch according to the usage pattern. The wireless headset device 30 is made space-saving when not in use by making the microphone unit 32 separable. For example, the wireless headset device 30 can be used in such a manner that the user 2 selects and uses a favorite microphone unit 32.

Of course, in the wireless headset device 30, the coupling structure between the elastic arm unit 31 and the microphone unit 32 is not limited to the above-described structure. The wireless headset device 30 employs various structures in which the elastic arm unit 31 and the microphone unit 32 are mechanically and electrically coupled. In the wireless headset device 30, for example, the elastic arm portion 31 and the microphone portion 32 are mechanically and electrically coupled with one touch by coupling spring pieces having concave and convex portions that engage with each other. Such a structure may be used.

  In the wireless headset device 40 shown in FIG. 6 as the third embodiment, an elastic arm portion 42 is configured to be detachable with respect to a mounting portion 41 formed on the main body portion 11. In the wireless headset device 40, for example, a coupling ring member 43 formed with an inner peripheral screw is attached to the attachment portion 41 of the main body portion 11 so as to be prevented from falling off. Although not shown, the attachment portion 41 has a connector incorporated in the opening. Since the main body 11 is the same as the above-described wireless headset device 10 except for the mounting portion 41, the description thereof is omitted by attaching the same reference numerals to the corresponding parts.

  In the wireless headset device 40, the base end portion 42a of the elastic arm portion 42 is formed with a coupling portion 44 having a slight rigidity and a connector built therein although the details are omitted. In addition, since the elastic arm part 42 is equivalent to the wireless headset device 10 described above with respect to other configurations except for the base end part 42a, description thereof is omitted by attaching the same reference numerals to the corresponding parts.

  In the wireless headset device 40, when not in use, the elastic arm portion 42 is removed from the main body portion 11 by the same operation as the operation of the wireless headset device 30 described above, and stored appropriately in a separated state. In the wireless headset device 40, the user 2 selects the elastic arm portion 42 having an appropriate length or bend, for example, by making the entire elastic arm portion 42 detachable from the main body portion 11. Is possible.

  Therefore, in the wireless headset device 40, each user 2 can adjust the speaker 15 and the microphone 23 so that the speaker 15 and the microphone 23 are optimally opposed to the ear 4 and the mouth 5, and can perform a good call. . In the wireless headset device 40, for example, diversity can be achieved by appropriately combining the main body portion 11 and the elastic arm portion 42 having different colors or different detailed specifications.

  In the wireless headset device 50 shown in FIG. 7 as the fourth embodiment, the elastic arm portion 51 is provided with a structure that allows the entire length to be adjusted. Since the wireless headset device 50 has the same configuration as that of the wireless headset device 10 described above except for the overall length adjustment structure, the same reference numerals are given to corresponding portions, and the description thereof is omitted.

  The elastic arm portion 51 is configured to be divided into a proximal end arm portion 52 coupled to the attachment portion 21 and a distal end arm portion 53 incorporating the microphone 23. The elastic arm portion 51 is formed with a slightly larger diameter on the proximal end arm portion 52 side, for example, and the inner diameter of the inner hole 52 a is formed to be substantially equal to the outer diameter of the distal end arm portion 53. The elastic arm portion 51 is combined with a so-called sheath structure in which the distal end portion of the distal end arm portion 53 is fitted into the inner hole 52a from the opened distal end portion side of the proximal end arm portion 52.

Although not described in detail, the elastic arm portion 51 has an appropriate stopper structure formed at the open end of the proximal end arm portion 52 and the fitting end portion of the distal end arm portion 53. The portion 53 is configured not to drop off. The elastic arm portion 51 can be stopped at an arbitrary position by tightly fitting the distal end arm portion 53 to the proximal end arm portion 52. The elastic arm portion 51 is located in the longitudinal direction at the inner hole 52a of the proximal end arm portion 52 and the outer peripheral portion of the distal end arm portion 53 to form a plurality of click convex portions and click concave portions. You may comprise so that the drawer position of the front-end | tip arm part 53 with respect to the part 52 may be controlled.

  In the wireless headset device 50, the total length of the elastic arm portion 51 is adjusted by adjusting the pull-out amount of the distal end arm portion 53 with respect to the proximal end arm portion 52 from the configuration described above, and the user 2 can adjust the ear 4 or the mouth. 5, the speaker 15 and the microphone 23 are adjusted so as to oppose each other optimally so that a good call can be performed. Further, in the wireless headset device 50, when not in use, the total length of the elastic arm portion 51 is shortened and saved by performing a sliding operation so that the distal end arm portion 52 is retracted with respect to the proximal end arm portion 52. Space becomes available.

  In the wireless headset device 50, when the distal arm portion 53 is slid with respect to the proximal arm portion 52, an appropriate wire guide structure is provided to prevent twisting of the conducting wire that is conducted inward. May be.

It is explanatory drawing of the use condition of the radio | wireless headset apparatus shown as embodiment of this invention. It is a front view of a wireless headset device. It is a rear view of a wireless headset device. It is a disassembled front view of the radio | wireless headset apparatus shown as 2nd Embodiment. It is a rear view of a wireless headset device. It is a disassembled front view of the radio | wireless headset apparatus shown as 3rd Embodiment. It is a partially notched front view of the radio | wireless headset apparatus shown as 4th Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mobile phone 2 User 3 Ear shell 5 Mouth 10 Wireless headset device 11 Main body part 12 Elastic arm part 13 Bluetooth module 14 Circuit board 16 Speaker 21 Attaching part 23 Microphone 30 Wireless headset apparatus 31 Elastic arm part 32 Microphone part 41 Attaching Unit 42 elastic arm unit 50 wireless headset device 51 elastic arm unit 52 proximal arm unit 53 distal arm unit

Claims (5)

A speaker and a wireless transmission / reception circuit unit, and a main body unit applied so that a sound emitting unit of the speaker covers an ear hole;
It has a substantially arc shape protruding from the main body part, and has an elastic arm part that holds the main body part by being hooked on an ear shell,
The elastic arm portion extends in the vicinity of the mouth when the elastic arm portion is hung on the ear shell, and the microphone is connected to the wireless transmission / reception circuit portion inside the distal end portion. A wireless headset device characterized by maintaining an interval between   2. The wireless head according to claim 1, wherein the wireless transmission / reception circuit unit is a Bluetooth module wirelessly connected to a Bluetooth module mounted on a mobile phone constituting the main device by a wireless communication method based on a Bluetooth communication standard. Set device.   3. The wireless headset device according to claim 1, wherein the elastic arm portion is detachably attached to the attachment portion of the main body portion. 4.   4. The length of the elastic arm part can be freely adjusted by combining the main body part side and a tip part containing the microphone in a midway part with a sheath structure. The wireless headset device according to any one of the above. The wireless headset device according to any one of claims 1 to 4, wherein the microphone is detachable from a distal end portion of the elastic arm portion.