Specifications bluetooth earphone,bluetooth headset,bluetooth headphone It's our best-selling bluetooth headset currently cheaper bluetooth earphone,bluetooth headset,bluetooth headphone1)Version 2.0, CSR chipset2)Up to 8 hours talk time and 150 hours standby 3)Operating distance: 10 meters (class 2)4)Charging time: Within 4 hours5)1-touch control to answer/end calls6)Enchanced audio performance7)3-way call conference, join 2 separate calls into conference with headset buttons
Brand Name: Suoyana and OEM Model Number: S-450 Style: Headband Communication: Wireless,wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: headband Plug: 3.5mm Color: varies colors Material: TPE,PU,PVC / customize Certificate: CE,FCC Cord length: 180cm±3% Standard: RoHS Service: OEM wieless support: TF card Packaging & Delivery Packaging Detail: blister packaging,or as your customized packing Delivery Detail: normally 15-20 work days Specifications Stereo wireless Headphone Card MP3 player with FM Radio bluetooth 1.factory price 2.Hi-fi stereo sounds Detailed Product Description Studio wireless headsets Powered Noise Cancellation High Definition stereo headphones 1.factory price 2.Hi-fi stereo sounds output 3.Do OEM order 4.CE,FCC Stereo Headset Card MP3 player with FM Radio & The bluetooth100% brand new High quality * Perfect MP3 player
Brand Name: OEM&GO-ON Model Number: GB-100 Style: Headband Communication: Wireless Connectors: 3.5mm Use: mobile,tablets, Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Technology: Bluetooth V2.1+EDR Color: Black Effective range: Up to 15 meters(360°) Signal-to-noise ratio: 90dBr@1KHz Mode: Stereo Frequency response: 20Hz~20KHz Charging time: 2 hours Charge Voltage: 5V Operating time: More than 15 hours Power supply: Rechargeable Lithium-Polymer battery(500mAh) Packaging & Delivery Packaging Detail: Blacking carrying case + color box 1pc per color box,20pcs per carton box Delivery Detail: 30 days after order comfirmed Specifications Crystal sound bluetooth headset 1,Foldable design 2,Lithium-polymer battery 3,Built-in buttons 4,CE FCC RoHs certificate Crystal sound stereo wireless Bluetooth headphone with big earcup design The GB-100 is Bluetooth stereo headsets with rechargeable lithium-polymer battery. Built-in
Brand Name: Roofull Model Number: Bluetooth Headset V4.0 Style: In-Ear Communication: Wireless Use: Bluetooth devices Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Working range: 10M Talk time: ⥠5-6 hrs Standby time: ⥠120 hrs Charging time: less than 3 hrs Battery: Rechargeable Other Products: Sunray, Vu+, Openbox,Skybox Skype: earnwisdom005 Packaging & Delivery Packaging Detail: 1*Bluetooth headset+1*Charger+1*Ear hook +1*Earphone +1*Product manual Delivery Detail: 1-2 days Specifications Bluetooth Headset V4.0 1>In-Ear design 2>Easy operate buttons 3>Super sound quality 4>Use for bluetooth devices Universial Bluetooth Headset/Headphone/Earphone V4.0 for Mobile Phone/Ipad/Computer/PS3/Tablet Features: 1>In-Ear design 2>Different communications experience 3>Easy operate buttons 4>Bluetooth V4.0 supporting 5>Compatible with any bluetooth supported devices, like Mobil
Specifications Sport bluetooth headphone 1.convenient for sports 2.Built in Microphone 3.Built-in lithium battery Sport bluetooth headphone Features:100% Brand New and High QualityEasy to usePortable back-hang design, convenient for sportsAllow you answer the phone anytime and anywhere Specifications:• Color: Black,red,blue,green• Buttons: Play/ Pause, VOL +, VO -, Call/ Receive• Charging time: 1-2 hours• Play time:3-4 hours• Standby time: 250 hours• Weight: About 32g• USB Cable Length: About 62 cm/ 24.8''• Mini USB IN• Bluetooth version:V1.2/V2.1• Audio range:2.402GHZ~2.480GHZ ISM Band• Built-in lithium battery (charged via 2.0 USB)• Built in Microphone for Handsfree Cell Phone use• Can answer calls from any phone• Listen to music for Nokia phones ONLY• Material: Plastic & Rubber• Quantity: 1 Set Please read the following tips when you are us
Specifications Hotest Bluetooth Headphone wireless stereo bluetooth headset;Bluetooth specification v3.0+EDR class23;Rechargeable battery. Arhythm-003 FeaturesBatteryRechargeable 520mAh lithium batteryMaterailPlasticWeight138gTalk time24 HoursStand-by time30 DaysCharging time6 HoursDesignPortable foldable;scaleable Distance8-10 MetersFrequency range2.40GHz-2.48GHzTransmitting powerGlass2Bluetooth versionV3.0+EDRDevices SupportedAll digital devices with bluetooth functionPrinting Options:Silkscreen&Digital printing,Water transfer printingPacking DetailsDemension85mm*85mmPackaging size186mm*78mm*210mm Feature:Most advanced buletooth technology, enjoy music wirelessly with Bluetooth stereo enabled deviceDelicate, Bluetooth stereo enabled deviceBuild-in high-quality 40mm mylar loudspeaker for audiophile grade sound qualityEnjoy stereo music wirelessly on QQ, MSN, SKYPE or on mobile phoneRemote function:play, stop, previous/next, volume+/-Specification:Bluetooth specification V3.0+EDR
Specifications 1.Micro SD Card/TF Card slot 2.FM Radio 3.LCD Display 4.Wireless, sport-style 5.Portable folding headset Super bass sound quality phone call sports wireless headphone earphone mp3 player Selling Point:1.Micro SD Card/TF Card slot2.FM Radio3.LCD Display 4.Wireless, sport-style5.Portable folding headset FEATURES:1) SD/TF cards supportive2) Audio Format Support MP3/WAV/WMA3) Builded-in Rechargeable lithium battery4) Portable Folding headphone5) Integrated FM Radio6) Wired headphone7) Low Capacity Battery Indicator8) Fast Go and Fast Back function9) Memory channel FunctionSpecification:Transimitter1)System: Active Chip2)THD:<1%3)Radio Frequency Range:76-108MHz4)S/N:>90dB5)Charging Time:2.5HOURS6)Frequency Response:20-20KHz7)Headphone Current:300mA/H8)Using Enviromental Temperature:0°C-50°C
Specifications 1.Strong Brand Service 2.Mix color is possible 3.Original desiged. 4.100% factory price. Product DescriptionPattern: rabbit,black cat, octopus, monkey,panda.(Note: When you place an order, write down what pattern you need, otherwise we will randomly send you.) Features of bluetooth:The design inspiration gets from the small personalized fashion mammals. The water transfer printing is used on this production. And we use imported rubber to process the surface under high temperature. Then feel smoothy , wear docile and comfortable. The introduction of the Bluetooth chip: Airzooo series used CSR8610 3.0 (made in CSR) which is the latest Bluetooth chip. This
Specifications Specifications 1. CSR chip 2. connect 2 phones 1 time 3. play music Specifications *Brand New Wireless Stereo Bluetooth Headset *Elegant Fashion Design *High Acoustic Fidelity *Extremely Competitive Price Colors and Fashion, High Quality Wireless Bluetooth Headphone fit all brand mobile phone, tablet pc and computer accessories etc. Welcome to contect with me. Product Feature Bluetooth modelV2.1+EDRsupport agreementheadset free/ headset profiletalking time4-5hoursstandby time120 hoursvalid distance10meterscharging timewithin 2hourscharging voltageDC - 5Vwirless frequence2.4GHzTransmission powerClass 2Carton size55*43*39cmOne Carton50 pieces others 1.our products export to all over the world. 2.We guarantee each product will be checked, one by one. 3.If there are bad products, we will promptly pay compensation to customers without any charge. 4.We also sell a lot of similar ele
Specifications 1. Bluetooth headphone with Leather earpad 2. Music headset with High-Fidelity, 3. Headset with over ear & Foldable design Best Bluetooth over ear headphone Flodable with leather earpad Key specfications:
Brand Name: XJWD Model Number: HS1800 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth Version: V2.1+EDR Support: HSF,AVRCP,A2DP Talking time: up to 7hours Music time: up to 7 hours Standby time: up to 200 hours Available in: Windows IOS Android Color: Black\Blue\White\Red Warranty: 1 Year Accept: OEM Packaging & Delivery Packaging Detail: Packing details: color box & pvc packiing; Carton Size: 81.5*36*49.5cm; 30pcs in a carton; 20" : 6,000pcs. Delivery Detail: samples order: 3 working day; mass order: 28 working day Specifications 1.mini bluetooth headphones; 2.CSR Chips; 3.Sport earphone; 4.Extremly Competitive Price; 5.excelent audio quality Descripton:Wireless bluetooth headset HS1800 for Mobile phones- for excelent audio quality , great wearabbiliby and headband design, lets you lose yourself in the music knowing you won't miss a call. With a Blueto
Brand Name: OEM Model Number: 368 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: blue/pink/black/grey PC Interface: USB2.0 Speaker: Diameter 30mm Sensitivity: 115dB S.P.L 1KHz Impedance: 32Ω Frequency Response: 20Hz-20.000Hz OLED display: Lyrics Synchronous Display Packaging & Delivery Packaging Detail: 1pc/color box,60pcs/ctn Inner box: 21x17x4cm Outer Carton: 61.5x43.5x35.5cm N.W:12.9kg G.W:14kg Delivery Detail: within 1-2 days after payment confirmed Specifications MP3 neckband headphone 1.FM radio and Campus Radio 2. Bluetooth support 3. 16G SD card 4. Hi-Fi sound 2013 mp3 player wireless bluetooth headphones for laptop Features :Specifications :1st: Hi-fi Bluetooth Card Read Headphone♥ Play high quality MP3 from TF cards 2nd:Lyrics Synchronous Display♥ Hi-Fi sound3rd:Beautiful packing and headphone♥
Specifications 1. Bluetooth Version: V2.1 EDR 2.Type: Stereo headphone with internal mic 3. Operation Distance: 10 m bluetooth stereo headphone balck color , wireless blue headphone for presonal at home & school. Specifications of bluetooth: Bluetooth VersionV2.1 EDRTypeStereo headphone with internal micOperation Distance10mRange of Frequency2.4 to 2.4835GHz ISM bandSensitivity85dBPC InterfaceUSB2.0Music FormatMP3 at WMAStandby timeup to 200 hoursMusic Playing Time7 hoursNormal Charging TimeWithin 3 hoursBattery3.7V 300mA Rechargeable Li-PolymerPowerImput AC 100-240V, output DC 5V 300mARF Output Power-6dBm to 4dBmOperating temperature-10’C to +55’CSupportsBluetooth Headset, Handsfree, A2DP and AVRCP Profiles Features of bluetooth 1,Top Quality Blutooth Headset with Microphone.2.High Defition bluetooth headset with impressive bass sound.3.Can be e
Specifications 1.Comfortable wireless stereo bluetooth headphones 2.Best factory price &Top quality 3.Bluetooth chip:CSR 4.OEM service Z-B60 Comfortable ear muff Stereo Bluetooth headphones Bluetooth headphone of best price Use range: 1). Pair with the Bluetooth mobile, wireless enjoy mobile phone music and incoming call.2).Pair with PC (with Bluetooth function or connect USB adapter), wireless enjoy network music and voice chat.3). Support iPhone,iPad Bluetooth matching connection. Features and specifications: 1).This product adopts bluetooth communication technology,realize wireless connection. 2).Can enjoy stereo music playing and voice chatting wirelessly after pairing with&nbs
Specifications T90 Wireless Bluetooth Headphone For PS3 1. Range 10 M 2. Talk Time: Up to 5.5 Hours 3. Standby Time: Up to 100 Hrs T90 Wireless Bluetooth Headphone For PS3 Rubber-Black (84004040) Introductions:Are you looking for a headset for PS3? Here we offer you a fantastic headset to feel the full-mouthed and realistic sound. It features faster connection and anti-interference, so that you can enjoy clearer voice transmission and sound quality.Use-friendly design ensures convenient usage and all-day wearing comfort. Equipped with it, you can experience with stimulation function.It is a perfect partner for PS3. Just order one to have a different gameplay experience. Features:1. The wireless Bluetooth gaming headset for PS3 and PC provides crystal clear communication when playing popular First Person Shooter (FPS) such as Call Of Duty, Battle Field Bad Company 2, Black Ops and Crysis 2 2. Provides high quality ster
Specifications Incredibly clear sound. Pair your headphones to any device. Easy playback. High Definition Stereo Bluetooth Headphones Key Features:Incredibly clear sound. Wireless headphones feature powerful sound, as clear and strong as any wired headphone. They also come with a cable you can plug into if you don't want to go wireless.Pair your headphones to any device. Stream audio from your laptop, or any other Bluetooth-enabled device – even TV’s – from up to 30 feet away. Wireless headphones support SBC, AAC, Apt-X Bluetooth Codecs, which means you'll always have a high-quality stream.Easy playback. Instead of digging around for your music player when you want to change a song, use the controls on your ear cup to manage phone calls and music.
Specifications Bluetooth stereo bluetooth headset lets you listen to music or phone calls wirelessly. Multi- Functional Wireless Stereo Bluetooth Headset 1) Bluetooth stereo bluetooth headset lets you listen to music or phone calls wirelessly. 2) High-quality speakers deliver crisp,rich sound. &nb
Brand Name: OEM Model Number: JM-H9001 Style: Headband Communication: Wireless Connectors: for computer mobilephone Use: for computer mobilephone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box Delivery Detail: 20 days Specifications 1.2013 best MP3 stereo wireless bluetooth headset headphones with FM 2.color:black,red 1.2013 best MP3 stereo wireless bluetooth headset headphones with FM2.color:black,red3. working distance: 10 meters4. accessories: headphone+power cable, BL-5B battery, color box. optional accessories: usb charger, memory card, bluetooth adapter5. chipset: british CRS2.0 version chipset, support all computer and mobiephones with bluetooth function6. support TF card, push pause button 5 seconds to switch to tf card model.7. support mp3 music format8. support FM radio (76-108MHz)9. memory for last time the song you was listening.
Specifications 1 .Enjoy music cordlessly 2 .Build-in high quality headphone 3. Comfort earhook design 4. Fashion Stereo Bluetoon Specifications:1.Bluetooth function2.Cheapest portable bluetooth headphone3.Newest fashionable design4.Quick rechargeable battery Main Features:1.Bluetooth wireless/wired headphone2.The built-in microphone and call-forwarding function3.Remote control the function of PAUSE/PLAY4.Remote control last/next song5.Adding and connecting your bluethooth devices immediately6.Controlling answer calling and reject calling7.Controlling volume up and volume down8. Support with Laptop,PC, iPhone/Mobile phone as insert audio cable with the audio port .9.Waterproof:IP67 Products Functions:1.Colour:white, red, black, blue2.Type: Bluetooth wireless/ wired 3.Bluetooth version: Bluetooth v1.2 Class24.Chipset: BC6130 5.Support profiles: Headset, Hands free, AVRCP, A2DP6.Master control :CSR7.Transmission distance: 10 meters8.Listening to FM consum
Brand Name: netphone Model Number: DK118-1000,DK118-1000 bluetooth headphones Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) wireless: bluetooth distance: 1000m work for: motocycle,bicycle,mp4,gps work speed: 120km/hour talking time: up to 7 hours waterproof: yes OEM: yes Certificate: CE,FCC,Rohs, Patent Stock: 1000pcs Packaging & Delivery Packaging Detail: Colorful gift box Package Dimension: 215*160*60mm Package Weight:0.36kg PCS/CTN:30PCS Carton measure:440*490*290mm G.W/CTN:11.6kg Delivery Detail: stock for 1000pcs Specifications 1> 1000m Wireless Bluetooth Headphones 2> work speed reach to 120km/hour 3> up to 7 hours talking time 4>moto walkie talkie OEM 1000m Wireless Walkie Talkie Wireless Bluetooth Headphones Main Features:Maximum talking range 100/500/1000 meters between two riders, real two- way wireless communication between t
Brand Name: OEM Model Number: PRO-BH002 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Red/green/black Packaging & Delivery Packaging Detail: Blister packed Delivery Detail: 3 working days after receive full payment Specifications New Sport Bluetooth headset 1)Bluetooth V2.1 2)Talk Time: Up to 4 hrs 3)Support iphone and smart phone music fundtion High quality Sport Bluetooth headset, Bluetooth V2.1 Specifications:1.sport bluetooth headset 2.wireless 3.used for mobile phone,PC 4,support music and phone function for iphone and all smart phone. Product Description:100% Brand NewWeight: 118gOperating frequency range:2.402GHz~2.480GHzBluetooth V2.1 compliantRange of Wireless C
Brand Name: YOUNGREEN OR OEM Model Number: BTS-0501N Style: Neckband Communication: Wireless Connectors: USB Use: Mobilephone,Laptop etc Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Name: Neckband Bluetooth Headphone Certification of Bluetooth Headset: CE / ROHS/BQB/FCC Bluetooth Protocol: A2DP/AVRCP/HFP/HSP Bluetooth version: V2.1+EDR Color: Red,Blue,Pink,Black, Purple(Color and logo customized) Talking time of bluetooth headsets: More than 5 hours Standby time of bluetooth headsets: More than 30 hours bluetooth headsetsransmission Distance: About 10M Dimensions: 15*10*5.5cm(For gift box) Approx Weight of Bluetooth Headset: 44g Packaging & Delivery Packaging Detail: Gift Box Packing For Neckband Bluetooth Headphone - Gift Box Size: 15*10*5.5cm - Quantity of foldable neckband headset: 40Pcs/Carton - N. W.: 44G G. W.: 175G - Carton size: 39.5*29*32cm -Colors:Red,Blue,Pink,Black, Purple(Color and logo customized) Delivery Detail:
Brand Name: Super Model Number: BH-109 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Dimensions: 61.8 x 17.4 x 6.9 mm Weight: 9.10 g Power supply: 90 mAh Li-ion Polymer Rechargeable Battery Packaging & Delivery Packaging Detail: retail box Delivery Detail: 3-5days after payment confirmed Specifications BH-109 Bluetooth headset for mobile phone Excellent call quality Talk for longer with up to 8 h of talk time Stable connect BH-109 Bluetooth headset for mobile phone Excellent call qualityTalk for longer with up to 8 h of talk timeStable connect BH-109 Bluetooth headset for mobile phone Excellent call quality 1) Be heard clearly even in noisy environments 2) DSP noise reduction reduces background noise b) Comfort and convenience 1) c2) Comfortable and ergonomic ear hook 3) Convenient handsfree calls while commuting or at home 4) Talk for longer with up to 8 h of talk
Specifications Bluetooth headset 1) Sales model : order or wholesale 2) Color:mix color 3) Size:4.3*20.5*13cm 4) Weight:0.083kg/pcs Bluetooth headset 1) Sales model : order or wholesale2) Color: as picture (mix color)3) Product size: 4.3*20.5*13cm 4) Product weight:0.083kg/pcs5) Material:ABS+ Electronic components 6) Function: Bluetooth headset 7) Packing:PVC box,48pcs/ctn8) Product condition: stock or order(we can produce for you according to your requirement)9)Payment: TT,Western union10) Please feel free to contact with us,if you have any questions. DescriptionTop quality; Competitive price; Fast shipping;Drop combined order shipping available;Best and Timely service; 100% satisfaction!1) We are supplier in Yiwu of china, You know that China’s work force are very famous,cheaper and quality is very rigorous,so lots of famous Brand Co., are choose china for a manufacture base,this is why China can have so many,these are not,j
Specifications Portable headphone, wireless headphones, bluetooth headphone 1.Bluetooth 3.0+EDR 2.Hands-free call 3.Portable, foldable Portable headphone, wireless headphones, bluetooth headphone: About the speaker: This headset offers great sound, comfort and mobility. Easily make and receive phone calls with built-in microphone. Quickly control your music with play, stop, fast forward, rewind, and volume buttons. Never run out of power with battery meter on headset. Foldable, adjustable headband is both space saving and comfortable. One charge offers up to 11 hours of music and talk time. Features1, Bluetooth 3.0+EDR2, Capacity display function 3, Bluetooth make hand-free call4, 15 hours power range 5, Intelligent voice prompt 6, Portable design 7, Intelligent voice prompt 8, Perfect stereo electrical design SPEAKER SIZE30MMSPEAKER IMPEDANCE32±15% SPEAKER FREQUENCY RANGE20~20KHzOUTPUT S.P.L93±3db*20mw/30mm
Specifications Bluetooth Headset Headphone Premium Quality Standard CE RoHs FCC Reasonable Price Fast Delivery Features:Suitable for Apple's iPod and iPhone seriesUnique and comfortable designCrystal clear stereo soundBig volume battery support long time workingVarious colors are available (black, blue and pink)Specifications:Bluetooth protocol: CSR 2.1V + EDR, Class 2Profile: headset, handsfree, A2DP, AVRCPBattery capacity: 230mA rechargeable Li-PolymerWorking time:Music: up to 10 hoursTalk: up to 11 hoursStandby time: up to 250 hoursDimensions: 162 x 153.5 x 32mm
Specifications 1) bluetooth headset help you enjoy music wirelessly 2)Support FM, can receive high-quality stereo radio. 3)support TF card Specification of Bluetooth headset(YP-701)1) Bluetooth version :V2.1+EDR 2) Operation distance:10m 3) Range of frequency:2.4 to 2.4835GHz ISM band4) Sensitivity:85dB Specification Of MP3/FM1) PC interface: USB2.02) Music format: MP3 /WMA 3) TF card support :128M-32GB4) FM frequency response: 87.5-108MHZ5) Rechargeable lithium battery:350mAh Specification Of Headphone1) Type: stereo headphone with MIC 2) Speaker : φ40mm3) Sensitivity: 115Db S.P.L at 1K
Specifications Sports Wireless Bluetooth Headset Headphone Earphone black red blue green for cellphone •Easy to use •Portable back-hang design, convenient for sports •Allow you answer the phone anytime and anywhere •Suitable for phone or pc Specifications: •Color: Red •Buttons: Play/ Pause, VOL +, VO -, Call/ Receive •Talk time: 4 hours •Standby time: 100 hours•Dimension: About 14.5 x 13.5 cm •Mini USB IN •Built-in lithium battery (charged via USB) •Built in Microphone for Handsfree Cell Phone use •Can answer calls from any phone •Material: Plastic & Rubber
Specifications bluetooth headphone from Shenzhen 1.Noice cancelling 2.Long standby time 3.Competitive price 2013 new design bluetooth headphone from Shenzhen 1.Technical Data: Usage:PC/PS3/Mobile phoneBluetooth version3.0+EDROperation distance:10mRange of frequency:2.4 to 2.4835GHz ISM bandSensitivity: -90dBSpecification of Mp3/FM PC interface:USB2.0Music format:MP3/WMATF card support:128-32GBFM frequency response:87.5-108MHzRechargeable lithium baffery:300mAhSpecification of headphone Type:stereo headphone with MICSpeaker:Φ40mmSensitivity:115dB S.P.L at 1KHZImpedance:16 ohmFrequency response:20Hz-20KHzRated Power:35mWPower capability:100mWCable Length: 1.5MMicrophone Unit:4.5mmx2mm -43dB±3dBPlug Type:Φ3.5mm stereo 2.Advantages: The headset can connect to all brand mobile phone with Bluetooth Function.2.1.Long time Standby time, 60mha Li-polymer battery.2.2.Adjust voice, Extra plus the key to control volume.2.
Specifications 1.2013 New Model Wireless Stereo Bluetooth Headset. 2.OEM/ODM welcome. 3.Best price and timely service 2013 New Model Wireless Stereo Bluetooth Headset,OEM Button Functions: Volume +, Volume -, the power switch button Working voltage:2.4-5V