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: Bassen Model Number: RO-LY Style: Headband Communication: Wireless Connectors: Bluetooth Use: anti-radiation Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) material: plastic color: black,red,yellow,blue,pink feature: anti-radiation button: pick up/hang up connection: bluetooth packing: color box using distance: 10 m charging time: 1-2 hours usage: mobile phones,tabalet Certificates: CE,RHOS Packaging & Delivery Packaging Detail: gift box Delivery Detail: 5-7 working days Specifications bluetooth headphone Improve call comfort Volume control work with device with bluetooth function Using distance: 10 Bluetooth headphone with Base Product advantages: Available worldwide, long talking time. The Bluetooth technology cost no extra money to use it in the world, so the customers who don't know this point about the Bluetooth can use it without worries. After you get it, you just need to recharge for the product when
Specifications Bluetooth headset production factory wireless bluetooth headphones 1.Talking time 5.5H 2.Battery recharge time 1-2H Bluetooth headset production factory wireless bluetooth headphonessoftware for NK Feature:1.Talking time 5.5H2.Battery recharge time 1-2H3.Warranty 1 yearDetails:wireless mini headset for mobilegood sound qualityOEM service&good priceFeature:Elliptic design: Fashion, Lightweight Specially designed hard back cover for mobile bluetooth Headphone jack and charging opening and camera opening Easy to take off or install it. No need any toolsHang design:more convernient for woking, sporting etc.Standard 3.5mm earphone jackVoice activated dialingLow voltage alarmbluetooth headset Handsfree SpecificationV2.1+EDRBluetooth ProgramISSC+Class2ModelHandsFree/HeadsetWireless Frequency Range2.4GEnvironment Temperature-20/+60°CStandby Current≤2mABattery Capacity48mA/hStandby time120 hoursTalking ti
Specifications Universal Mobile phone Wireless Bluetooth Headset Version:Bluetooth V2.1/3.0+EDR Effective distance:10M Low power comsumption Universal Mobile phone Wireless Bluetooth Headset Earphone Headphone Introductions features:1.low power comsumption 2.Receive/hang up/reject a call,voice dialing,tail number redial function! . Specifications1. Version:Bluetooth V2.1/3.0+EDR 2. Talking time:3-4H3. Standby time:≥100H4. Effective distance:10M5. Charging tine:2-3H6. DC:5V 7. Machine size: 16*37*10 mm 8. Machine weight:6.4g9. Packing size: 100*160*40 mm 10.Complete set weight:67.0g11.Original imported ISSC chip (long-term warranty) Package included1.bluetooth handset2.ear hook3.user manual4.charger(ES/EU plug optional)5.Carton package Pictures
Brand Name: www.trait-tech.com Model Number: Wireless Bluetooth Headset T-MBT-176 Style: Ear Hook Communication: Wireless Connectors: wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth: version 3.0 Frequency: 2.4FHz-2.4835Hz Standby Time: 4 hours Working Range: 30ft Model: Wireless Bluetooth Headset T-MBT-176 Packaging & Delivery Packaging Detail: Q'ty/Carton : 100 pcs Carton G.W : 12.500 kgs Carton Size: 37.0*43.0*35.0 cm Delivery Detail: 1-3 Working Days Specifications Wireless Bluetooth Headset 1.High quality and elegant appearance 2.Lightweight and portable 3.Bluetooth V3.0 4.Low Price Universal Ear Hook Dual Macs Stereo Wireless Bluetooth Headset Headphones NO.Wireless Bluetooth Headset T-MBT-176 TypeBluetooth headsetSingle Weight0.1250kgsDimension8.5*3.5*18.5Frequency 2.4FHz-2.4835Hz Standby Time 4 hours Working temperature-20°C~60°C BatteryRechargeable Lithiu
Brand Name: OEM Model Number: XH-E002 Style: In-Ear Communication: Wireless,wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Type:: Bluetooth clip-on stereo headset Earpiece Design:: Earbud (In Ear) Features:: Noise Cancellation Wireless Technology:: Bluetooth color: black and white Earpiece Design: Earbud (In Ear) size: 6.2x1.2x.5cm Talk Time: up to 5 hours Charging time: Approximately 1.5 hours Packaging & Delivery Packaging Detail: standard package,like gift box,window box Delivery Detail: 7days Specifications bluetooth headphones Automatically switch between music and call Long standby time Muti-point connection OEM Super good price and top sell bluetooth headphones,China bluetooth headsets supplier Elegant Mini Bluetooth stereo wireless Headset Headphone for Apple,Android Smart Phones Product Specification:Bluetooth version: 3.0 Blueto
Brand Name: kawell Model Number: KBS-21 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Working distance: 10m Talk time: more than 9 hours Standby time: more than 200 hours Music time: 7~9 hours Speakers SNR: 94dB Frequency response: 20Hz~20KHz Charging time: 3hs by USB connection (approx.) Bettery: 3.7V 260mAh Li-ion polymer battery Power input: 5V DC Weight: 42g Packaging & Delivery Packaging Detail: color box Delivery Detail: sample soon,about 7 days after order confirm Specifications Bluetooth Headset 1.Bluetooth V2.1+EDR Multimedia 2.Both headset and sunglasses 3.Many colors to choose 4.Delivery in time Bluetooth headsetAbout us We are a professional supplier for this product with many styles.Support OEM freely.Pls contact our salesmen to get best price and leave your Email address in your inquiry,we will send the quotation an
Specifications 1.OEM ODM Service 2.Factory direct price 3.Bluetooth 4.foldable 5.different colors Foldable wireless bluetooth headphone Parameter of bluetooth headphone : More pictures of bluetooth headphone : Four colors of bluetooth headphone: other headphone: Packing of mp3 player wireless headset : Packing Size of bluetooth headphone : 157mm(L)×83mm(W)×190mm(H) Contact us for more information on bluetooth headphone Ms Amanda LiSkype:amanda75290527 Tel:+86 13724565259(English) Amanda +86 13332655409(Chinese) Jason Email: market(@)winfire999.com.cn
Brand Name: Bassen Model Number: RO-LY Style: Headband Communication: Wireless Connectors: Bluetooth Use: anti-radiation Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) material: plastic color: black,red,yellow,blue,pink feature: anti-radiation button: pick up/hang up connection: bluetooth packing: color box using distance: 10 m charging time: 1-2 hours usage: mobile phones,tabalet Certificates: CE,RHOS Packaging & Delivery Packaging Detail: gift box Delivery Detail: 5-7 working days Specifications bluetooth headphone Improve call comfort Volume control work with device with bluetooth function Using distance: 10 Bluetooth headphone with Base Product advantages: Available worldwide, long talking time. The Bluetooth technology cost no extra money to use it in the world, so the customers who don't know this point about the Bluetooth can use it without worries. After you get it, you just need to recharge for the product when
Specifications Main functiCon:When listening to the music,it can change to automatically when a call come. Product description : HD Voice Stereo Bluetooth headset 1.Product Specification:V2.0+EDR 2.Support profiles:Headset,handfree. 3.Talk time:Up to 10 hours 4.Power source:Built in Techargeable Li-ion battery 5.Main function:When listening to the music,it can change to automatically when a call come Technical support : HD Voice Stereo Bluetooth headsetBluetooth modelV2.0+EDRsupport agreementHeadset,handfreetalking time10 hoursstandby time180daysvalid distance10meterscharging timewithin 2hourscharging voltageDC 5vhead size49*15*7mmhead weight10gcolorany colorwhole suit weight9.2g
Specifications CSR8645 Bluetooth Stereo Headset 1.V4.0, CSR8645 chipset 2.Support bluetooth 4.0 3.Support APT-X (lossless), AAC-LC CSR8645 Bluetooth Stereo Headset1.V4.0, CSR8645 chipset2.Support bluetooth 4.03.Support APT-X (lossless) Technical standards: CSR 8645 program supports Bluetooth 4.0Transmission distance: 10 metersDimensions: length 180mm wide 70mm thick 40mmProduct Weight: 178g (grams)Talk time: 12 hoursStandby time: 300 hoursCharging time: 2 hoursBluetooth headset features:1)beautifully trends, fashion design.2)support HFP1.6, A2DP1.2 and AVRCP1.43)Supported formats: aptx (lossless), AAC-LC, MP3 and SBC4)super power saving, use dedicated charging management, to better protect the lithium battery5)anti-jamming, strong confidentiality. Noise reduction6)Then hang up, redial, reject a call, mute function, built-in Bluetooth priority
Specifications Mono headset bluetooth headphones CD-615 factory price small and exquisite Mono headset Mono headset bluetooth headphones CD-615 It is a lightweight and comfortable stereo headset with a unique design and fashionable style. It has full metal body construction and its Bluetooth ringtone answering function allows headset to ring for incoming calls. You can make a direct phone call from your headset to most recent call by its recent call re-dial function. Moreover you can just push send button for a second to hold incoming calls, push it again to get back. When you listening to music, it will let you know your incoming calls by strong vibrating (as your cell phone's) from one side. Provides up to 5 hours talk time or 200 hours standby Specification: Mono headset Bluetooth version: V2.1+EDR Bluetooth model: Hands free/ Headset/ AV/ AV PCR profile Radio frequency: 2.4GHz
Specifications 1. Bluetooth Version: V2.1+EDR 2. Frequency range: 2.4GHz - 2.48GHz 3. Transmission power: Class 2 4. Talk time: 4 hrs H200 Super Mini Bluetooth Headset (Mono Channel) Black Introductions:The excellent cell phone headset allows you to make and receive calls while on the move or in the office conveniently. The headphone delivers high performance and remarkable sound for your cellphone. This cell phone earphone is lightweight and stylish, so that it can add more spices to your cell phone devices. The practical headset with super clear and hi-fi sound effects brings you the best listening experience. Just enjoy your music and calls with superb audio quality!Features:1. Small, lightweight and stylish2. Vibrant bass, vivid mid-range, and vivacious highs3. Experience less vibration and more of your music3. The discreet acoustic tube ear piece is comfortable to wear and allows the user to have clear sound transmission without amb
Specifications wireless/wired 2 in one flexible foldable multi bluetooth headphone for cellphone/iphone/ipod *2 in one flexible design *Wirel wireless/wired 2 in one flexible foldable multi bluetooth headphone for cellphone/iphone/ipod As you see,this bluetooth stereo headset is producted with a high quality and cool apearence.Even better,the type of headset has powerful function,which can make you enjoy music you like with high stereo fidelity effect,what'more,it comes with a built-in microphone,that can make you communicate with your friend wirelessly.Now start to enjoy your life and job with the bluetooth 2ch. Features:Bluetooth wireless headphoneThe built-in microphone and call-forwarding functionRemote control the function of PAUSE/PLAYRemote control last/next songAdding and connecting your bluethooth devices immediatelyControlling answer calling and reject callingControlling volume up and volume down Specification:colour:white, red, yellow, blue, black, pink, orang
Specifications k66/f30 Universal bluetooth headset with sigle earpiece style Quick Details
Brand Name: OEM Model Number: BH-02 Style: In-Ear Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: in blister card Delivery Detail: 1-3days Specifications Sport Wireless Stereo Headphones Bluetooth for mobile pc 1.convenient for sports 2.Built in Microphone 3.Built-in lithi Sport Wireless Stereo Headphones Bluetooth for mobile pc Features:100% Brand New and High QualityWireless appreciation in the mobile phone play the stereo musiclisten to the radio broadcast computer stereo musicUse the network to realize the remote wireless two-way conversationRadio listening to the stereo music, dial out, answer the call to be automatic conversionPortable 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•
Brand Name: OEM Model Number: LF-609 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: black Packaging & Delivery Packaging Detail: 100pcs/ctn, Measure: 53*34*46.5 CM. G.W.:11kgs PACKET CONTENT: 1.headset unit 2. ear hook 3. manual 4.charge Delivery Detail: 5-7 days after receip the payment Specifications 1.mono bluetooth headset earphone 2.Built-in rechargeable battery 3. with volume controk key 4.Distinctly superior Fashionable bluetooth headset, bluetooth earphone, bluetooth speaker phone,mono/stereo bluetooth headset Bluetooth standard: V2.1+EDR Transmission: class2 Working range:10M &nbs
Specifications 2013 new bluetooth headphone 1.One key to answer the phone 2.with battery 3.10m transmission distance 2013 new bluetooth headphone Specifications Low power comsumption;Receiving/hanging up/rejecting phonecall/voice dialing/redialing. bluetooth headphone Features&PricesVersionBluetooth V3.0+EDRTalking time3-4HCharging Voltage5VStandby time≥100HCharging time2-3HEffective distance10MMachine size14.5*8*31 mmQuantityUnit PriceMachine weight5.2g50pcsContact usPacking size102*131*47 mm1KAvailable colorBlack3KComplete set weight76.6g5KProduct featuresLow power comsumption;Receiving/hanging up/rejecting phonecall/voice dialing/redialingOriginal imported ISSC chip
Specifications 1.Stylish bluetooth headphone 2.Stereo excellenct sound 3.Cheap price 4.OEM/ODM order welcomed 5.High quality Fashional bluetooth headphone with UV painting shell Specifications: ItemsCDB-041 Bluetooth headphoneBluetooth VersionV. 2.1/3.0+EDRSupport ProfilesHSP, HFP, A2DP and AVRCPSpeaker DIM:30mmOperating range10 Meters(33fts) CLASS IISpeaker Impedance 32±15%Frequency Range:20~20KHzTalk timeUp to 11hoursMusic timeUp to 250 hoursCharging timeAbout 3.5hoursBatteryRechargeable 380mAH Li-polymer batteryOutput S.P.L:93±3db*20mw/30mmMIC. Dimension:4.5*2.2mmMIC.Sensitivity:-54dB±2dBMIC. Impedance:2.2Input Voltage:DC 5V BY MINI 5PIN USBDimension( mm)123.5*49.5*25mmCompatible support:Apple IPAD I II, I phone 3. 3GS,4,4S, PC/NOTEBOOK(need bluetooth dongle) Features:1.MFB: POWER ON/OFF, PAIRING, PLAY/PAUSE2. PREVIEW and next song control3.VOLUME UP and DOWN control4.PLASTIC and RUBBER materials5.Voice calls and music mode automatically s
Specifications 1.ICD screen FM radio +TF card origin design 2.Hi-End sound quality 3.CE,FCC,RoHS passed 4.OEM highly welcome stereo sound and superior speakers foldable headphone 1).Speaker Unit: 40mm2).Impedance: 32ohms3).Sensitivity: 104dB+/-3dB4).Frequency Response: 20Hz-20KHz5).Wire: 110cm6).Plug: Silicon7).Function: stereo super-bass, with volume control Notes:1).Keep away from fire.2).Keep away from sharp knife, fork, and edge tools. **Classic design & amazing listening experience**-incredible punchy-bass-pure and clear treble quality-inconceivable extensive sound stage image player metal earphone Metallic finish in-ear silicon plug earphone for MP3,IPAD,IPOD,PHONES
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
Brand Name: Tonsion/OEM Model Number: BT-30 Style: Neckband Communication: Wireless Connectors: Wireless Bluetooth type Use: Mobile phone, PC, portable media player, laptop etc. Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Payment term: T/T, 30% deposit; the balance before delivery. MOQ: 1000 pcs Delivery date: 30 days after the Docs and Logo confirmed. Price term: FOB Shenzhen Color: Black, white Earmuff: Comfortable artificial protein leather earmuff Packaging & Delivery Packaging Detail: Packing: Paper box Packing details: CTN size: 77*48*53.5cm; Qty/CTN: 40pcs Delivery Detail: 30 days Specifications 2013 Wireless Bluetooth Headphone with FM and TF/SD card slot 1. Wireless bluetooth headset 2. With FM/ SD,TF card 3. Neckband 2013 Wireless Bluetooth Headphone with FM and TF/SD card slot Model BT-30 features: Specification:Wireless frequency: 2.404-2.479GHz, ISM BAND Operating Voltage and current: 30mA 3.7V.( 3.7v 30mA lithium ion batter
Specifications 1.high quality sound headphone 2.comfortable feather earmuff 3.mp3 insert cards headset earphone 4.fm radio 5.bluetooth cheap bluetooth stereo headphones tablet stereo bluetooth headphones factory 1) main featuressupport SD card/MMC /TF,max 16G.support audio forms of MP3, WMA. high quality speaker and sound cavity design,ensure high fidelity.CD quality effect. built-in standard 300 mA 4C polymer rechargable battery, continuous play music to 8 hours.line-in ,it can be as the HI-FI headphone to enjoy the external sound.line-out,to the paly the music through the external audio device with one audio cableone usb adapter and audio cable2) Basic technical Parameters
Brand Name: Prevailing Model Number: P-PVB506 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer and any other media player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: white box,gift box,color box,blister,clamshell,OEM package Delivery Detail: 15~30days for different purchasing quantity Specifications Bluetooth headphone Support players with Bluetooth system Bluetooth V2.1+EDR standards Work for Iphone,Ipad,MP3,MP4,laptop, Features and Descriptions:Bluetooth earphone works for any audio players which have Bluetooth systems, such as iPhone, iPad, Moblie phone, computer etc- It also has 3.5mm audio input, to play music with any digital audio player that has 3.5mm audio output jack- Bluetooth V2.1+EDR standa
Brand Name: SOASO Model Number: XY-HP-8004 Style: Headband Communication: Wireless Connectors: 3.5mm Use: MP3/MP4/PC/Mobilephone/all music devices Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: colorful design, can do any colors package: blister, gift box, white box, OEM services logo: can be customized any logo certifications: CE/ROHS/Phathalate/Reach/PAHs sound: high/low bass sound quality: tip-top quantity: as your request Packaging & Delivery Packaging Detail: gift box, Blister, PVC Window box, white box, Polybag Delivery Detail: 20-25 Days Specifications bluetooth headphone with mic 1. super bass sound 2. OEM package 3. CE/ROHS/Phathalate 4. And logo design bluetooth headphone with mic Specification: 1) frequency: 86MHz2) modulation mode: FM3) transmission range: 35 meters4) power supply: 2xAAA or 4.5V adaptor (to be purchased additionally)Receiver (headphone):1) frequency range: 84-108MHz
Specifications 2012 New Smallest Bluetooth Headsets/Bluetooth Headset Models BSH18 Stand-by:75hrs Talking Time:4hrs 2012 New Smallest Bluetooth Headsets/Bluetooth Headset Models BSH18 Size: 39.5X17 X11 mm Weight:18g Bluetooth Standard: CSRV2.0 version, banwidth 3Mbps Wireless Frequency Range: Global-used 2.4GHz ISM Frequency Transmission Range:10M Battery: Li-polymer 75mAh Stand-by:75hrs Holding Time:4hrs Color:Black Support blue tooth: Receive/Reject/End a call, Voice dial, Last number redial , Mute Function, Volume Adjustment, Musical selection.
Brand Name: Fusen Model Number: F-WL03 Style: Headband Communication: Wireless Connectors: bluetooth Use: Phone,Ipad,Ipad 2 with PC bluetooth (suitable for all device of ) Function: Bluetooth Place of Origin: Guangdong China (Mainland) Logo: Customization is available Freqency Respone: 20-20KHZ Sensitivity: 100dB plug: Jack Masimun Power Input: 80mv Drive Unit: 40mm Impedance: 32ohm Plug style: straight style controller: with Packaging & Delivery Packaging Detail: 1.Design as customer requirement 2.Many kinds of packing are availabel, i.e,polybag,blister,paper box and so on. Delivery Detail: 25 working days after getting the order confirmation Specifications 1. Foldable and cool design 2. Noise Reduction Stereo Headphone 3. OEM&ODM service 4.CE,ROSH,FCC 5. Use for PS3,XBOX,PC,TV Overview of the features1.Closed moving coil package Ear Hi-Fi stereo headphones.2. DJ is the ideal companion for moving&nbs
Specifications sport bluetooth headset/bluetooth headphone 1.Enjoy music cordlessly 2.Build in high quality microphone 3.High quality stereo sport bluetooth headset/ bluetooth headphone,sport bluetooth headset,stereo bluetooth headset,bluetooth earphoneHigh quality stereo surroundBluetooth specification v1.2 class 2Supports bluetooth A2DP and AVRCP profileQuick rechargeable 300mAh li-polymer batteryTalk time:up to 6 hoursMusic listening time:up to 6 hoursCharge time:within 2hoursDimenson:95MM X 70MM X 35MMWeight:45grams with b attery
Specifications Wireless Bluetooth Earphone S96 Bluetooth Headphone Upgrade Of BH320 Wireless Handfree Headset Wireless Bluetooth Earphone S96 Bluetooth Headphone Upgrade Of BH320 Wireless Handfree Headset Descriptions: 1. Bluetooth performance standard: Support Headset and Handsfree profile 2. Transmitter power: Class 2 3. Wireless frequency: 2.4 GHz-2.480 GHz 4. Sensitive: < -75 dBm 5. Transmitter distance: 10M Power Parameter 1. Charger power: Input 100-240V AC, OUTPUT 5V DC 2. Working volt: 3.7V 3. Battery: Rechargeable Li-Polymer battery 4. Charging time: 1.5 hours 5. Talking time: about 6 hours Package: 1 x Bluetooth Earphone1 x USB Cable1 x Earhook1 x Manual(Items comes without retail box and charger, if you need retail box and charger, contact with us first,many thanks! ) Detail Pictures
Specifications - Bluetooth Stereo Headphone - S1000 - Stereo Bluetooth headphone for iphone - Supports Bluetooth A2DP, AVRCP - CSR Main chip Bluetooth Stereo Headset for iphone- S1000 [Features]- Stereo Bluetooth headphone with back-hang style- Supports Bluetooth A2DP, AVRCP, and HS/HF profiles- Features CVC Software echo/noise cancellation for reducing noise - Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc - Switch automatically from remote controls on the headset allow you to play, skip and select your music tracks.- Up to 20 hours of music playback time [Specification]- Bluetooth Specification v2.1+EDR class 2 - The latest version of A2DP1.2 and AVRCP1.0 profiles support- Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)- RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band- Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm- Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 D