CN105959850A - Cellphone wired earphone - Google Patents

Cellphone wired earphone Download PDF

Info

Publication number
CN105959850A
CN105959850A CN201610373725.4A CN201610373725A CN105959850A CN 105959850 A CN105959850 A CN 105959850A CN 201610373725 A CN201610373725 A CN 201610373725A CN 105959850 A CN105959850 A CN 105959850A
Authority
CN
China
Prior art keywords
voice coil
parts
mobile phone
earplug
wired earphone
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.)
Withdrawn
Application number
CN201610373725.4A
Other languages
Chinese (zh)
Inventor
李聪
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201610373725.4A priority Critical patent/CN105959850A/en
Publication of CN105959850A publication Critical patent/CN105959850A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/1058Manufacture or assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/105Manufacture of mono- or stereophonic headphone components

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Hydrogenated Pyridines (AREA)

Abstract

The invention discloses a cellphone wired earphone, and the earphone comprises an audio plug, a data line, and an earplug. One end of the data line is connected with the audio plug, and the other end of the data line is connected with the earplug. The earplug comprises an earplug housing and a foam sleeve. The foam sleeve sleeves the earplug housing. The interior of the earplug housing is provided with a sound bole, a paper disc, and an iron stand. The sound box is located on the left side surface of the iron stand, and the foam disc is located in the iron stand. The interior of the iron stand is provided with a magnet and an iron core. The magnet is located at an outer side of the iron core, and the magnet is connected with a voice coil support. The voice coil support is provided with a voice coil. The earphone is simple in structure, is convenient to use, and is high in universality. Meanwhile, the data line can stretch out and draw back freely according to the needs, and is good in audio transmission effect.

Description

A kind of mobile phone wired earphone
Technical field
Present invention relates particularly to a kind of mobile phone wired earphone.
Background technology
The mobile phone that people use, metropolis is furnished with a special earphone, is used for conversing and listening audio file.But, due to earphone all with the data wire of a root length length, inconvenience during collection, can be brought, long data wire can in bag tangled up and knotted, be also easy to cause damaging because folding.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, easy to use, highly versatile;Data wire can carry out freely stretching as required simultaneously, the features such as audio transmission is effective.
For solving the problems referred to above, the present invention adopts the following technical scheme that
A kind of mobile phone wired earphone, it is characterized in that: include audio jack, data wire and earplug, described data wire one end is connected with audio jack, the described data wire other end is connected with earplug, described earplug includes earpiece and foam encasement, described foam encasement is set in outside earpiece, described earpiece is internally provided with out acoustic aperture, paper disc and ferrum frame, described go out acoustic aperture be positioned on brandreth left surface, described paper disc is positioned at inside brandreth, described brandreth is internally provided with Magnet and ferrum core, described magnet cover is loaded on outside iron core, connect on described Magnet and have voice coil suspension, it is provided with voice coil loudspeaker voice coil on described voice coil suspension.
Further, described earpiece is adopted made of plastic, the most attractive in appearance, and manufacturing cost is low.
Further, described earplug is provided with more than one, it is possible to be adjusted according to practical situation.
Further, described brandreth external form flare, be conducive to acoustic propagation to amplify.
Further, described voice coil loudspeaker voice coil is provided with more than one, beneficially the reception of acoustical signal and transmission.
Further, described audio jack surface is coated with one layer of fine silver, and the most multitapped protection, in order to avoid being corroded.
Further, described Magnet profile is cylinder, it is possible to be adjusted according to practical situation.
Further, one layer of soft rubber of described data wire outer wrap, main with the protection being beneficial to data wire, in order to avoid damaging.
A kind of preparation method of earphone outer covering, it is made up of the material of following parts by weight proportioning, including including acrylic resin 10-14 part, epoxy resin 20-25 part, Polyethylene Glycol 8-12 part, maleic anhydride 4-8 part, ethylene glycol 8-10 part, tert-butyl hydroperoxide 2-3 part, polyoxyethylene oleic acid ester 8-10 part, polyvinyl pyrrolidone 5-8 part, calcium carbonate 5-15 part, foaming agent 1-3 part, surface activity 1-2 part, carborundum 16-18 part, Borax 2-3 part and dead plaster 1-2 part, comprise the following steps:
1) other materials such as acrylic resin 10-14 part, carborundum 16-18 part, Borax 2-3 part and dead plaster 1-2 part are added in dimethylbenzene, stir 10-20 minute, prepare mixture, standby;
2) by epoxy resin 20-25 part, Polyethylene Glycol 8-12 part, maleic anhydride 4-8 part, ethylene glycol 8-10 part is put in acetone, it is heated to 75-85 DEG C, then, cross into tert-butyl hydroperoxide 2-3 part, polyoxyethylene oleic acid ester 8-10 part, stirring reaction 30-40 minute, add polyvinyl pyrrolidone 5-8 part, calcium carbonate 5-15 part, after reacting 40-50 minute, it is warming up to 120-130 DEG C, add foaming agent 1-3 part, surface activity 1-2 part, stirring reaction 2-3 hour: the mixture that step (1) prepares is added thereto stirring 40-50 minute, obtain plastic casing, standby;
3) take plastic casing and put in forming machine, then obtain earplug housing by forming machine processing, to obtain final product.
The invention has the beneficial effects as follows: owing to earpiece is adopted made of plastic, be effectively improved product appearance, reduce manufacturing cost;Owing to being coated with one layer of fine silver in audio jack, effectively protect audio jack, prevent corrosion;The data wire of earphone can carry out freely stretching as required simultaneously, and audio transmission is effective.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention a kind of mobile phone wired earphone;
Fig. 2 is the ear phone structure schematic diagram of the present invention a kind of mobile phone wired earphone.
Detailed description of the invention
Embodiment one:
Refering to shown in Fig. 1-2, a kind of mobile phone wired earphone, including audio jack 1, data wire 2 and earplug 4, described data wire 2 one end is connected with audio jack 1, described data wire 2 other end is connected with earplug 4, described earplug 4 includes earpiece 5 and foam encasement 9, described foam encasement 9 is set in outside earpiece 5, described earpiece 5 is internally provided with out acoustic aperture 8, paper disc 7 and brandreth 10, described go out acoustic aperture 8 be positioned on brandreth 10 left surface, it is internal that described paper disc 7 is positioned at brandreth 10, described brandreth 10 is internally provided with Magnet 11 and iron core 12, described Magnet 11 cover is loaded on outside iron core 12, connect on described Magnet 11 and have voice coil suspension 6, it is provided with voice coil loudspeaker voice coil 13 on described voice coil suspension 6.
Described earpiece 5 is adopted made of plastic, and the most attractive in appearance, manufacturing cost is low.
Described earplug 4 is provided with more than one, it is possible to be adjusted according to practical situation.
Described brandreth 10 external form flare, is conducive to acoustic propagation to amplify.
Described voice coil loudspeaker voice coil 13 is provided with more than one, beneficially the reception of acoustical signal and transmission.
Described audio jack 1 surface is coated with one layer of fine silver, and the most multitapped protection, in order to avoid being corroded.
Described Magnet 11 profile is cylinder, it is possible to be adjusted according to practical situation.
Described one layer of soft rubber of data wire 2 outer wrap, main with the protection being beneficial to data wire, in order to avoid damaging.
A kind of preparation method of earphone outer covering, it is made up of the material of following parts by weight proportioning, including including acrylic resin 10 parts, epoxy resin 20 parts, Polyethylene Glycol 8 parts, maleic anhydride 4 parts, ethylene glycol 8 parts, tert-butyl hydroperoxide 2 parts, polyoxyethylene oleic acid ester 8 parts, polyvinyl pyrrolidone 5 parts, calcium carbonate 5 parts, foaming agent 1 part, surface activity system 1 part, carborundum 16 parts, Borax 2 parts and dead plaster 1 part, comprise the following steps:
1) other materials such as acrylic resin 10 parts, carborundum 16 parts, Borax 2 parts and dead plaster 1 part are added in dimethylbenzene, stir 10 minutes, prepare mixture, standby;
2) epoxy resin 20 parts, Polyethylene Glycol 8 parts, maleic anhydride 4 parts, ethylene glycol 8 parts are put in acetone, it is heated to 75-85 DEG C, then, cross into tert-butyl hydroperoxide 2 parts, polyoxyethylene oleic acid ester 8-10 part, stirring reaction 30-40 minute, add polyvinyl pyrrolidone 5 parts, calcium carbonate 5 parts, after reacting 40-50 minute, it is warming up to 120-130 DEG C, add foaming agent 1 part, surface activity system 1 part, stirring reaction 2-3 hour: the mixture that step (1) prepares is added thereto stirring 40-50 minute, obtains plastic casing, standby;
3) take plastic casing and put in forming machine, then obtain earplug housing by forming machine processing, to obtain final product.
Embodiment two:
Refering to shown in Fig. 1-2, a kind of mobile phone wired earphone, including audio jack 1, data wire 2 and earplug 4, described data wire 2 one end is connected with audio jack 1, described data wire 2 other end is connected with earplug 4, described earplug 4 includes earpiece 5 and foam encasement 9, described foam encasement 9 is set in outside earpiece 5, described earpiece 5 is internally provided with out acoustic aperture 8, paper disc 7 and brandreth 10, described go out acoustic aperture 8 be positioned on brandreth 10 left surface, it is internal that described paper disc 7 is positioned at brandreth 10, described brandreth 10 is internally provided with Magnet 11 and iron core 12, described Magnet 11 cover is loaded on outside iron core 12, connect on described Magnet 11 and have voice coil suspension 6, it is provided with voice coil loudspeaker voice coil 13 on described voice coil suspension 6.
Described earpiece 5 is adopted made of plastic, and the most attractive in appearance, manufacturing cost is low.
Described earplug 4 is provided with more than one, it is possible to be adjusted according to practical situation.
Described brandreth 10 external form flare, is conducive to acoustic propagation to amplify.
Described voice coil loudspeaker voice coil 13 is provided with more than one, beneficially the reception of acoustical signal and transmission.
Described audio jack 1 surface is coated with one layer of fine silver, and the most multitapped protection, in order to avoid being corroded.
Described Magnet 11 profile is cylinder, it is possible to be adjusted according to practical situation.
Described one layer of soft rubber of data wire 2 outer wrap, main with the protection being beneficial to data wire, in order to avoid damaging.
A kind of preparation method of earphone outer covering, it is made up of the material of following parts by weight proportioning, including including acrylic resin 12 parts, epoxy resin 22.5 parts, Polyethylene Glycol 10 parts, maleic anhydride 6 parts, ethylene glycol 9 parts, tert-butyl hydroperoxide 2.5 parts, polyoxyethylene oleic acid ester 9 parts, polyvinyl pyrrolidone 6.5 parts, calcium carbonate 10 parts, foaming agent 2 parts, surface activity system 1.5 parts, carborundum 17 parts, Borax 2.5 parts and dead plaster 1.5 parts, comprise the following steps:
1) other materials such as acrylic resin 12 parts, carborundum 17 parts, Borax 2.5 parts and dead plaster 1.5 parts are added in dimethylbenzene, stir 20 minutes, prepare mixture, standby;
2) epoxy resin 22 parts, Polyethylene Glycol 10 parts, maleic anhydride 6 parts, ethylene glycol 9 parts are put in acetone, it is heated to 75-85 DEG C, then, cross into tert-butyl hydroperoxide 2.5 parts, polyoxyethylene oleic acid ester 9 parts, stirring reaction 30-40 minute, add polyvinyl pyrrolidone 6.5 parts, calcium carbonate 10 parts, after reacting 40-50 minute, it is warming up to 120-130 DEG C, add foaming agent 2 parts, surface activity system 1.5 parts, stirring reaction 2-3 hour: the mixture that step (1) prepares is added thereto stirring 40-50 minute, obtains plastic casing, standby;
3) take plastic casing and put in forming machine, then obtain earplug housing by forming machine processing, to obtain final product.
Embodiment three:
Refering to shown in Fig. 1-2, a kind of mobile phone wired earphone, including audio jack 1, data wire 2 and earplug 4, described data wire 2 one end is connected with audio jack 1, described data wire 2 other end is connected with earplug 4, described earplug 4 includes earpiece 5 and foam encasement 9, described foam encasement 9 is set in outside earpiece 5, described earpiece 5 is internally provided with out acoustic aperture 8, paper disc 7 and brandreth 10, described go out acoustic aperture 8 be positioned on brandreth 10 left surface, it is internal that described paper disc 7 is positioned at brandreth 10, described brandreth 10 is internally provided with Magnet 11 and iron core 12, described Magnet 11 cover is loaded on outside iron core 12, connect on described Magnet 11 and have voice coil suspension 6, it is provided with voice coil loudspeaker voice coil 13 on described voice coil suspension 6.
Described earpiece 5 is adopted made of plastic, and the most attractive in appearance, manufacturing cost is low.
Described earplug 4 is provided with more than one, it is possible to be adjusted according to practical situation.
Described brandreth 10 external form flare, is conducive to acoustic propagation to amplify.
Described voice coil loudspeaker voice coil 13 is provided with more than one, beneficially the reception of acoustical signal and transmission.
Described audio jack 1 surface is coated with one layer of fine silver, and the most multitapped protection, in order to avoid being corroded.
Described Magnet 11 profile is cylinder, it is possible to be adjusted according to practical situation.
Described one layer of soft rubber of data wire 2 outer wrap, main with the protection being beneficial to data wire, in order to avoid damaging.
A kind of preparation method of earphone outer covering, it is made up of the material of following parts by weight proportioning, including including acrylic resin 14 parts, epoxy resin 25 parts, Polyethylene Glycol 12 parts, maleic anhydride 8 parts, ethylene glycol 10 parts, tert-butyl hydroperoxide 3 parts, polyoxyethylene oleic acid ester 10 parts, polyvinyl pyrrolidone 8 parts, calcium carbonate 15 parts, foaming agent 3 parts, surface activity system 2 parts, carborundum 18 parts, Borax 3 parts and dead plaster 2 parts, comprise the following steps:
1) other materials such as acrylic resin 14 parts, carborundum 18 parts, Borax 3 parts and dead plaster 2 parts are added in dimethylbenzene, stir 20 minutes, prepare mixture, standby;
2) epoxy resin 25 parts, Polyethylene Glycol 12 parts, maleic anhydride 8 parts, ethylene glycol 10 parts are put in acetone, it is heated to 75-85 DEG C, then, cross into tert-butyl hydroperoxide 3 parts, polyoxyethylene oleic acid ester 10 parts, stirring reaction 30-40 minute, add polyvinyl pyrrolidone 8 parts, calcium carbonate 15 parts, after reacting 40-50 minute, it is warming up to 120-130 DEG C, add foaming agent 3 parts, surface activity system 2 parts, stirring reaction 2-3 hour: the mixture that step (1) prepares is added thereto stirring 40-50 minute, obtains plastic casing, standby;
3) take plastic casing and put in forming machine, then obtain earplug housing by forming machine processing, to obtain final product.
Experimental example:
Experimental subject: the mobile phone wired earphone that 120 are made up of three kinds of earpiece, is divided into 3 groups according to experimental technique, often 40 mobile phone wired earphones of group.
Experimental technique and time: matched group 1 uses common earpiece, matched group 2 uses the earpiece of the present invention by existing earpiece, experimental group, and experimental period is 3 months, and record number of times is 3 times, records mobile phone wired earphone situation.
Criterion:
Housing hardness: earplug housing is by after External Force Acting, and the number according to damaging judges;
Service life: after earplug housing uses a period of time, the number lost efficacy judge;
Audio frequency is stable: after playing sound, mobile phone wired earphone is without noise or signal disturbing, and audio frequency is stable;
Three groups of mobile phone wired earphones carry out first month effectiveness comparison, and result is shown in chart 1.
Testing through first month, three groups of situations have notable difference.
Three groups of mobile phone wired earphones carry out second month effectiveness comparison, and result is shown in chart 2.
Testing through second month, three groups of situations have highly significant sex differernce.
Three groups of mobile phone wired earphones carry out three month effectiveness comparison, and result is shown in chart 3.
Through experiment in three months, three groups of situations had highly significant sex differernce.
From above experimental result, the effect of the mobile phone wired earphone that the earpiece of the present invention is made is best.
The invention has the beneficial effects as follows: owing to being provided with pallet; can fixing glue plywood by pallet; owing to being provided with lower plate layer and train wheel bridge layer; fire-retardant central layer can be protected, owing to being provided with lower veneer layer and overwood cortex, it is possible to play the effect of waterproof fireproofing; owing to being provided with anti-shellfish spy's plate; the intensity of plywood can be strengthened, owing to being provided with cementing layer, it is possible to make anti-shellfish spy's plate bonded to each other fixing.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any change expected without creative work or replacement, all should contain within protection scope of the present invention.

Claims (8)

1. a mobile phone wired earphone, it is characterised in that: include audio jack, data wire and earplug, described Data wire one end is connected with audio jack, and the described data wire other end is connected with earplug, described earplug bag Having included earpiece and foam encasement, described foam encasement is set in outside earpiece, inside described earpiece Be provided with out acoustic aperture, paper disc and brandreth, described in go out acoustic aperture and be positioned on brandreth left surface, described paper disc is positioned at ferrum Inside frame, described brandreth is internally provided with Magnet and iron core, and described magnet cover is loaded on outside iron core, described magnetic Connecting on ferrum and have voice coil suspension, described voice coil suspension is provided with voice coil loudspeaker voice coil, described earphone outer covering is by following weight The material of number proportioning is made, including acrylic resin 10-14 part, epoxy resin 20-25 part, poly-second two Alcohol 8-12 part, maleic anhydride 4-8 part, ethylene glycol 8-10 part, tert-butyl hydroperoxide 2-3 part, Polyoxyethylene oleic acid ester 8-10 part, polyvinyl pyrrolidone 5-8 part, calcium carbonate 5-15 part, foaming agent 1-3 part, surface activity 1-2 part, carborundum 16-18 part, Borax 2-3 part and dead plaster 1-2 Part.
2. mobile phone wired earphone as claimed in claim 1, it is characterised in that: described earpiece uses and moulds Material is made.
3. mobile phone wired earphone as claimed in claim 2, it is characterised in that: described earplug is provided with one Above.
4. mobile phone wired earphone as claimed in claim 3, it is characterised in that: described brandreth external form is loudspeaker Shape.
5. mobile phone wired earphone as claimed in claim 4, it is characterised in that: described voice coil loudspeaker voice coil is provided with one Above.
6. mobile phone wired earphone as claimed in claim 5, it is characterised in that: described audio jack plated surface There is one layer of fine silver.
7. mobile phone wired earphone as claimed in claim 6, it is characterised in that: described Magnet profile is cylinder Shape.
8. mobile phone wired earphone as claimed in claim 7, it is characterised in that: described data wire outer wrap One layer of soft rubber.
CN201610373725.4A 2016-05-30 2016-05-30 Cellphone wired earphone Withdrawn CN105959850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610373725.4A CN105959850A (en) 2016-05-30 2016-05-30 Cellphone wired earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610373725.4A CN105959850A (en) 2016-05-30 2016-05-30 Cellphone wired earphone

Publications (1)

Publication Number Publication Date
CN105959850A true CN105959850A (en) 2016-09-21

Family

ID=56910407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610373725.4A Withdrawn CN105959850A (en) 2016-05-30 2016-05-30 Cellphone wired earphone

Country Status (1)

Country Link
CN (1) CN105959850A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1680829A (en) * 2004-04-07 2005-10-12 柯尼卡美能达精密光学株式会社 Objective lens and optical pickup apparatus
CN102752683A (en) * 2012-07-11 2012-10-24 陆智艺 Special earphone for wired mobile phone
CN103275627A (en) * 2013-05-23 2013-09-04 安徽溢彩玻璃器皿有限公司 Heat transfer printing adhesive for metal shell and preparation method thereof
CN103347971A (en) * 2011-02-11 2013-10-09 日东电工株式会社 Flame-retardant thermally-conductive adhesive sheet
JP5385484B2 (en) * 2011-03-29 2014-01-08 昭和電工パッケージング株式会社 Molding packaging material and battery case
CN204634010U (en) * 2015-06-09 2015-09-09 深圳市利霖欣科技有限公司 A kind of multi-functional headphone
CN205105395U (en) * 2015-10-29 2016-03-23 嘉兴市上村电子有限公司 Moving -coil loudspeaker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1680829A (en) * 2004-04-07 2005-10-12 柯尼卡美能达精密光学株式会社 Objective lens and optical pickup apparatus
CN103347971A (en) * 2011-02-11 2013-10-09 日东电工株式会社 Flame-retardant thermally-conductive adhesive sheet
JP5385484B2 (en) * 2011-03-29 2014-01-08 昭和電工パッケージング株式会社 Molding packaging material and battery case
CN102752683A (en) * 2012-07-11 2012-10-24 陆智艺 Special earphone for wired mobile phone
CN103275627A (en) * 2013-05-23 2013-09-04 安徽溢彩玻璃器皿有限公司 Heat transfer printing adhesive for metal shell and preparation method thereof
CN204634010U (en) * 2015-06-09 2015-09-09 深圳市利霖欣科技有限公司 A kind of multi-functional headphone
CN205105395U (en) * 2015-10-29 2016-03-23 嘉兴市上村电子有限公司 Moving -coil loudspeaker

Similar Documents

Publication Publication Date Title
CN102595265A (en) Headset assembly with recording function for communication
CN206039076U (en) Audio output intelligence glasses
CN106200009A (en) Audio frequency output intelligent glasses
CN208299971U (en) Earphone heads connection structure and earphone
CN204046805U (en) A kind of electroacoustic transducer of tow sides sounding
KR20170037018A (en) Apparatus for amplifying the sound of smart phone
CN105392088A (en) Wireless connection sound system
CN105959850A (en) Cellphone wired earphone
CN104702744A (en) Cellphone stand with loudspeaker
WO2017161748A1 (en) User terminal
CN203027408U (en) Magnetic attraction sound device
CN202197325U (en) Double-horn mobile phone capable of carrying out high and low voice frequency division processing
WO2015078283A1 (en) Public address system for teaching based on cellphone bluetooth function
CN104066026A (en) Bluetooth headset and combination thereof
CN105139886B (en) A kind of method for playing music and system using switching device
CN202261721U (en) Multi-media earplug accessory and multi-media earplug support using the same
CN203537548U (en) Bluetooth earphone and combination thereof
CN203492183U (en) Sound equipment horn with demagnetizer
CN209824013U (en) Miniature loudspeaker with reduce and cut apart vibration function
TWM277219U (en) Interference-free earphone
CN206674159U (en) A kind of multipurpose bluetooth earphone
CN201830419U (en) Multifunction metal stress waterproof earphone
CN215187321U (en) Earphone with magnet bead earphone cord storage structure
CN207652640U (en) Half In-Ear Headphones of one kind and audio-visual equipment
CN205039966U (en) Multi -function headset line structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20160921