Specifications bluetooth headphone: 1.high definition sound 2.with mic controltalk 3.light and compact for lifestyle 4.comfortable Wholesale High Definition Stereo Bluetooth Headphone : Sound Noise Level(dB) EFFECT Whisper30Very quietQuiet Office50-60comforatble hearing levels are under 60dBVacuum Cleaner,Hair Dryer70Intrusive,interferes with telephone conversationsFood Blender85-9085dB is the level at which hearing damage(8hrs.) beginsGarbage Truck,Cement Mixer100No more than 15 minutes of unprotected exposure recommended for sounds between 90-100dBPoer Saw,Drill/Jackhamer110Regular exposure to sound over 100dB of more thatn 1 minute risks permanent hearing lossRock Concerts(varies)110-140Threshold of pain begins around 125dB Keys and Parts:1. Multifunction key2. Track back3. Volume
Brand Name: QR Model Number: QR-C918 Style: Headband Communication: Wireless Connectors: USB Use: mobile phone, Laptop, PC, & PSP , Table etc. Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Blue Yellow Red Pink White Black Packaging & Delivery Packaging Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Delivery Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Specifications 2013 New-style Stereo Headset V3.0 Bluetooth Headphone 2013 New-style Stereo Headset V3.0 Bluetooth Headphone Specifications: 1)Bluetooth headphone lets you listen to music or take phone calls wirelessly2)High-quality speakers deliver crisp,rich sound.3)Accept incoming calls or toggle between tracks with the touch of a button4)Lightweight,comfortable design for all-day listening, headphone string retractable5)Compatible with bluetooth enabled devices,such as most computers, cellphones, For iPhone/iPad/iPo
Brand Name: skyringe Model Number: SK-780 Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: black or as your requirement OEM: Available Packaging & Delivery Packaging Detail: 1pc/Blister Package or Color Box, Common Export Carton; or as clients' requirement Delivery Detail: 20-25 days after confirming all Specifications Cool appearance, excellent tone quality. Bluetooth headphone style makes you so cool. Very fashionable bluetooth headphone Hot Sale !!! High technology! 2013 Newest Style Bluetooth Headphone! So Cool, So gracious! You should have one!!! Features & Benefits: &nbs
Brand Name: M&J Model Number: V-2 Style: Ear Hook,mini Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Certification: no Packaging & Delivery Packaging Detail: blister+color card,color box Delivery Detail: 5-8 days Specifications Bluetooth Headset for V-2 1.Small and light bluetooth headset 2.Automatic connecting function 3.Works stereo Product Name: Bluetooth Headset for V-2 Details:*Bluetooth headset with digital recording*Records incoming and outgoing calls*Record voice memos*Extremely clear voice*Supported profiles : Headset, Hands-free*Recording audio indication*Memory full audio indication*Works stereo, excellent for listen music for your cell phone*Perfect for truckers, restaurants, and on-the-go business functions Following parts:1.Indicator light2.Receive/hang off button3.Charger jack4.Ear hook5.Microphone6.Receiver7.Wired earphone(for stereo series handset) Products show: Others :W
Brand Name: Willong Model Number: EAR0764 Style: In-Ear Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: white type: bluetooth Packaging & Delivery Packaging Detail: 1pc/PE bag paper case /plastic case Delivery Detail: 3days-7days Specifications 1.divers in type:ear-bud/in ear/clip on 2.noise cancelling and stereo 3.CE/RHOS/FCC certification Bluetooth headphone willong quality worth to rely on !!! white bluetooth headphones Unique design ,best price!!!Specifications:1. Standards: Bluetooth specification V2.0/V2.1+EDR2. Radio Frequency Range:
Specifications 1.New Stereo Bluetooth Headset. 2.Big Battery and Fashion design. 3.High Acoustic Fidelity. 4.Extremely Competitive Price. Headset With Bluetooth Function introduction Version Bluetooth V2.1+EDRTalking time 3-4HStandby time ≥100H Transmission distance 10M Charging tine 2-3H Operating voltage 3.6VSize 14.5*8*31 mmWeight 5.2gPacking One box 100pcsSize 53*34*46.5 CM N.W 9.00KG G.W 11.0KG Accessories 1*Ears hang1*User's Guide1*chargerOriginal import ISSC chip (long-term free quality assurance)
Brand Name: ESORUN Model Number: OA04 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Ver.: Bluetooth V3.0+EDR Bluetooth Profiles: HSP,HFP,A2DPK,AVRCP Effective Range: 10Meters Music Time: 10Hours Talk Time: 11Hours Standby Time: Up to 250Hours Input: DC:5V/180mAh Charge Time: 3Hour Dimensions: 14.5*10*6cm Packaging & Delivery Packaging Detail: GIFT BOX Delivery Detail: 7-15DAYS Specifications Stereo bluetooth headset 1.Frequency:2.4GHz ISM band 2.Built-in 360 degree Omni direction microphone 3.OEM & ODM High quality Bluetooth 2ch Stereo Audio Headset stereo bluetooth headset SpecificationsBluetooth versionVER3.0+EDRBluetooth transmission distance33 FT/10M metersSupport ProfileHSP,HFP,A2DPK,AVRCPFrequency Response20 to 20kHzSignal noise ratio≥85d BSpeaker impedance4 ΩRechargeable battery5V/180mAhChargeUSB portCharging time /Playing timeabout 2 hours
Brand Name: Esino Model Number: ES-SP-A005 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: earmuff bluetooth wireless headphone / stereo wireless headphone Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 3 working days Specifications bluetooth 2ch stereo audio headset RF Frequency Range:2.402-2.480GHZ,2.4G Rechargeable 380mAh Li-polymer Battery bluetooth 2ch stereo audio headset Specification: 1.Bluetooth specification: V2.1+EDR2.Bluetooth profiles supported: HSP, HFP, A2DP and AVRCP3.Operating distance: 10 meters Class II Rechargeable 380mAh Li-polymer Battery 4.Rechargeable 380 mAH Li-polymer battery5.Talk time: Up to 6 hours6.Music playing time: Up to 6 hours7.Standby time: Up to 100 hours8.Charging time: About 1.5 hours9.Charge input voltage: DC 5V10.Dimensions: L33.8*W15.7*H10mm11.Weight: 220 g
Brand Name: USBONLINE Model Number: USWH0019 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Grey Packaging & Delivery Packaging Detail: Gift box/ OEM Delivery Detail: 2 to 7 days when confirm the order Specifications Best wireless bluetooth headphones 1 SD card wireless music headphones 2 Two year warranty 3 Excellent experience Best wireless bluetooth headphones SD card wireless music headphonesFetures:1.Advance wireless music headsets provide portable,3D sound and high-quality of subwoofer enjoyment.2.No need to connect any cable and just simply insert the SD card,you can play your favorite music.
Specifications 1, bluetooth headphones built in microphone 2,light weight .good feeling 3,Ergonomic ,slime disign 4,CE ,ROHS,FCC Good sound bluetooth headphones built in microphone for iphone 5 Sangsunwireless headphones wireless headphoness wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones wireless headphones Main Features:This headphone is light weight, extra comfort to use This stereo he
Brand Name: Comfort/OEM Model Number: BTH-017 Style: Headband Communication: Wireless Connectors: USB Use: Computer/mobile phone Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Specifications *Over the Head Bluetooth Headset with Boom Mic,Lightweight & comfortable to wear * features Noise-Canceling Technology for *Over the Head Bluetooth Headset with Boom Mic,Lightweight & comfortable to wear * features Noise-Canceling Technology for crystal clear conversations. Block more external environmental noise * echo and noise cancellation,Wideband audio sounds clear and natural, for better communication and fewer misheard words. * The boom MIC can be adjusted to suit either left or right ear use.* Multilink function for 2 Bluetooth Device - Bluetooth specification: V2.1+EDR - Bluetooth profiles supported: HSP and HFP- Operating distance: 10 meters class 2- 4 Button design : MFB,VOL+,VOL-, On/Off- Rechargeable 130 mAH Li-polymer battery- Talk time: Up
Brand Name: OEM Model Number: H1 Style: Headband Communication: Wireless,Wireless Bluetooth Connectors: Bluetooth Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Technology: Bluetooth V2.1+EDR Play/Talk: 10 hours Transfer Distance: 33ft/10M warranty: 12 months Packaging & Delivery Packaging Detail: 1PC/GOFT BOX Delivery Detail: 5-7days Specifications wireless bluetooth headphone 1.bluetooth wilress headphone 2.Bluetooth V2.1+EDR 3.Support mobile phone call music 2013 hot sale headphones beats for mp3,ipad etc, 2013 hot sale wireless bluetooth headphone for mp3,ipad etc Features: 1. Black, white and gray three classic colors, stylish and simple 2. The special button operation easy to use 3. Built-in high quality microphone supports a variety of phone calls, music playback function 4. Using the latest Bluetooth 2.1 + EDR standard high-fidelity audio transmission tec
Specifications 1. wireless bluetooth headsets bh503 for mobile phones 2. high quality and best prices 3. one year warranty Stereo NK bh503 bluetooth headset Description:wireless bluetooth headsets bh503 for mobile phones - for excellent audio quality, great wearability and laid-back design, lets you lose yourself in the music knowing you won't miss a call.With a Bluetooth Stereo Headset BH-503 you can:Enjoy high-quality stereo sound streamed from your compatible phoneStay comfortably in style with over the ear design and an easygoing neckbandControl the music player and manage your calls with the media keysSave time with fast charging Features:Weight: 70gDimensions: 150x75x155mmTalk Time: up to 11hMusic Time: up to 11hStandby Time: up to 210hInterfaces: Bluetooth 2.0 with EDRAdvanced Audio Distribution ProfileAudio Video Remote Control ProfileOperating Range: up to 10m
Specifications 1.Bluetooth V3.0,High-end audio quality 2.compatible with smart phone,car aux,home hifi,etc. 3.With an universal 3.5mm audio Sport stereo wireless bluetooth headphone for mobile,laptop,computer,MID specification: Bluetooth VersionV3.0Operating Distance10-15mBatteryBuilt-in rechargeable li-polymer batteryCharging PlugAC chargerDimensions51.8*18.4*14.5mmHeadset WeightAround 9.4gMultipoint TechnologyNoMulti-function Button On/OffYesStandard Bluetooth FeaturesYesStandby Time (days)7Supported ProfilesAVRCP,HFP,A2DP and HSPTalk/PlayTime (hrs)7In the Box1xbluetooth stereo transmitter receiver 1xstereo earphone1xAC charger1xUser manualOther Specifications1.Clip-on design with 3.5mm audio jack2.MicroUSB charge connection3.Voice dialing and LED indicaion4.Can works with home hifi,smart phone,corded headphone,car aux and RCA audio cable
Specifications bluetooth headset V2.0 Description: 1. Bluetooth V2.0 specifications, class II 2. Operating range: up to 10 meters 3. Frequency: 2.40 ~ 2.48GHz 4. Working voltage: 3.7V 5. Talk time: up to 3 hours6. Standby time: up to 100 hours7. Battery: rechargeable lithium polymer battery8. Charging time: about 2 hours9. Dimensions: 31 x 13 x 7mm
Specifications 1.Mini bluetooth 2.6 to 8 hours available 3.Bluetooth hands-free car for iphone 5 portable green bluetooth stereo soundSpecification Name for iphone 5 portable green bluetooth stereo sound LogoCustomer designMaterialABScolorgreen Model No.IP5-033MOQ2000pcsUsefor iPhone 5Place of orignShenzhen,China Feature1 30m bluetooth available2 hands free for calling3 small ball design for easy carrying4 with light-emitting5.stereo voiceFunctioonnice voice.good feelingMarketHot sell in USA,Europe,Japan,France,England etc.Delievery timeWithin 2-3 working days
Specifications *Stereo 2.0CH *8-hour call time support *Transmission range: 10 meters *Foldable bluetooth headphone for iPhone 2012 NEW product! Foldable bluetooth headphone for iPhone (GX-288A) Color: Black Feature:*Support Iphone, Ipod, Ipad headphone*Ear hook and folding MP4 bluetooth headphone*Multimedia Computer Headphone*Compatible with all Bluetooth cellphones*Enjoys wireless connection via an Bluetooth*Works well with Skype, MSN, and VoIP*Crystal clear sound can thoroughly release your hands to enjoy your work*Play high quality MP3 from TF cards *Hi-fi sound & FM function*Wired & Wireless headphone *Listen to MP3 music from Nokia mobile phone*Listen to stereo music from PC*Line in & line out function*Portable USB Drive*PC connection funciton & Memory function*Rechargeable lithium battery *Supports headset and hands-free profile*Faster connecting, clear sound,and anti-interference*Bluetooth protoco
Brand Name: USBNOVEL Model Number: UST-BHF20 Style: Ear Hook Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications bluetooth hand free,bluetooth headset,bluetooth earphone bluetooth hand free,bluetooth headset,bluetooth earphone Description:- Technology: Bluetooth version V2.0 + EDR. Transmission Products: 10 m Support for Bluetooth headsets, hands-free, A2DP and AVRCP functions Size: 55mm x 24mm x 27mm. Weight of the product: about 20.1 grams Call Time: 6 hours standby time: 150 hours. Charging time: 3 hours Audio: stereo Standard configuration: packaging, manuals, chargers
Brand Name: OEM Model Number: BH99B Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: pink price: cheap bluetooth headphone: bluetooth headphone Bluetooth Headset V2.0 EDR: Bluetooth Headset V2.0 EDR Long talking time: Long talking time Cheaper price: Cheaper price Talking time: Up to 4 hrs Accessories: Retail box user manual: user manual USB Cable ear hook: USB Cable ear hook Packaging & Delivery Packaging Detail: - Box: standard or customization - User Manual x1 - USB Cable x 1 - Charger: car charger or Travel charger Delivery Detail: 1-3 woking days Specifications 1)bluetooth headphone 2)Bluetooth Headset V2.0 EDR 3)Long talking time 4)Cheaper price 5)Talking time: Up to 4 hrs Product name : Bluetooth mono headsetBluetooth Headset V2.0 EDR, 10mTalking time: Up to 4 hrsAccessories: Retail box, user manual, USB Cable ear hook
Brand Name: SKY Model Number: SK-008 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) 6P: YES 16P: YES CE: YES Color: Black and White Usage: mobile phone ROHS: YES Support: customers' logo print and color available Package: blister or OEM customers' request Distortion: 2% Sensirivity: -58dB±3dB Packaging & Delivery Packaging Detail: 1pc/Blister Package or Color Box, Common Export Carton Delivery Detail: 20-25 days after confirming all Specifications Fashional Shape Bluetooth Headphone 1. Pretty cool appearance 2. CE & ROSH 3. Best price Fashional Shape Bluetooth Headphone Features:1) Special for all audio equipment2) Colors: Depends on the costomer's demand3) OEM BRAND4) Good sound quality5) High quality stereo earphones for MP3 / 
Specifications 2012 newest hifi wireless bluetooth headphone 1.Latest Bluetooth V4.0 support 2.Support Hands free and headset profile 2013 newest hifi wireless bluetooth headphone Description: 1>Bluetooth Specification 2.1+EDR2>Bluetooth Profile A2DP1.2, AVRCP1.0, HFP1.5, HSP1.03>RF Range 10 m4>Frequency Response 80Hz-20KHz5>Loudspeaker Output 100 mW6>PL 113dB/+-3dB (1kH/1Vrms)7>Signal-To-Noise ≥80dB8>Distortion ≤1.0% 9>Microphone sensitivity -42dB 10>Playback Time 8 hours11>Charging Time 2.5hours12>Charge connector Micro-USB connector13>With 220mah lithium battery 14>Weight:116g Terms of Payment: T/T 30% before production in advance,Balance before shipment. Feature: 1.High quality Stereo music playback support2.Support Bluetooth V2.1+EDR3.Extra compact design4.Special Multi-function button design for easy operation5.Support Hands free and headset profile6.8 hours p
Specifications 1. bluetooth headset 2. red colour 3. wireless, used for mobile phone, MP3 etc. 4. in blister package. 5. good quality red colour wireless bluetooth headset, Operation range:Up to 10 metersWeight:about 14gramsReversible hook for either ear with smooth material for long holdCapacity:Up to 6 hours talk time and 140hours stand-by time.Bluetooth specification:compliant V1.2Profiles:Headset profile,Hands-free ProfileActivation of voice recognition on the mobile phoneVolume adjustmentPacking: Colour box package
Specifications Fashion Handsfree bluetooth headphone 1) Bluetooth V2.0 + EDR 2) Cool design bluetooth headsets 3) Talktime up to 4 hours Fashion Handsfree bluetooth headphoneEnjoy wireless convenience and crystal-clear audio when talking on your cellphone. The B30 Mobile phone Bluetooth Headset features a single button that lets you make and receive phone calls simply and intuitively. And the innovative design is sure to turn a few heads. Features: 1. Bluetooth V2.0+EDR, Class II2. Up to 4 hours of talk time; up to 65 hours of standby time3. Excellent solution for low cost & good quality headset. 4. Earphone to be changed as instructed.5. Lightweight earpiece for a secure, comfortable fit in left or right ear Specifications: Dimension : 41.3 x 21.5 x 11 mmUnit weight: 8.4 gColor available: Custom Colors Avalilable Package Includes : Bluetooth Headset Charger AdaptorUSB ConnectorUser Manual
Specifications bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly 2.High-quality speaks delive bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly2.High-quality speaks deliver crisprich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening.5.Compatible with bluetooth enabled devices, such as IPHONE,IPAD,most computer,cellphones6.Frequency response:20-20,000Hz7.Speak Impedance:32 ohm8.Omni-directional high quality microphone9.Sensitivity microphone10.Transfer Distance:33FT/10M11.Frequency:2.4GHz12.Technology:Bluetooth V3.0+EDR13.Easily charge via USB port14.Play/Talk-10Hrs15.Low battery notification
Specifications bluetooth headphone, with nice data transit high quality stereo sound performance Hi-Fi headsetCSR multimedia hi-fi blutooth chipsetBluetooth version v2.1,comply with old versionapply to any mobile phone in compliance with 1.0.1.1.1.2 and 2.0 regulationGot call automatically Redial functionVolume control buttonPause functionProvide 16 digital DAC audio-out Interface Levels:3.3V—4.2V,lithium batteryBluetooth version v2.1,comply with old versionSB Protocols: USB v2.0Frequency: 2.4GHz ISM bandGFSK(Gaussian Frequency shift keying)Radiated power: ≤4dBm,Class2Effective distance: ≤10m,Class2Sensivity: ≤-95dBm at0.1% BERData transfer rate up to Asynchronous:1-3Mbps(Max)Security : Authnticaton and encryptionBluetooth protocols : HSP1.0,HFP1.5,A2DP1.2,AVRCP1.0working current:2-40mATemperature range: -20~+55C &nb
Brand Name: OEM Model Number: E03638 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) weight: 143g Packaging & Delivery Packaging Detail: Paper package Delivery Detail: 2-3 working days Specifications Bluetooth Headset 1.Transmission distance: 10M 2.Frequency range: 2.4GHz 3.Output voltage: DC 5V X2 Business Bluetooth Headset Black Introductions:This is X2 Business Bluetooth Headset Black. Freedom to exercise, move around and commute without wires to tangle or hold you back. Simplify your communications with this lightweight and versatile headset. You'll enjoy all-day wearing comfort, clearer voice transmission and superior sound quality - without wires!Features:1.Mini size and light weight2.Bluetooth stereo headset provides excellent sound quality3.Connecting people with Bluetooth4.Excellent bluetooth wireless headphone allows you to make and receive calls while on the move or in the office5.Logi
Brand Name: prosng Model Number: PS-BT300 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Speaker diameter: 40mm impedance: 32Ohms color: multiple choices package: blister card packing Packaging & Delivery Packaging Detail: Blister card packaging or as client's request Delivery Detail: 15-30days after receive client's deposit Specifications 1.bluetooth headphone for ipad 2.one stop service 3.good after-sale service Brief Introduction: Speaker diameter: φ40 milimeters Impedance: 32 OhmsSensitivity: 108dB S.P.L.at 1KHz;Rated power:20mWAggregate capability:50mWFrequency Response:20Hz-20,000HzMicrophone Unit:φ6*5mmImpedance:≤2.2KOhmsFrequancy Response:30Hz-16,000HzOperating voltage:3.0V Specifications: 1)Support systems:audio equipments with bluetooth functions,such as PC,cellphone,MP3… ; &
Brand Name: for LG Model Number: HBS730 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Standard Package Delivery Detail: 3-7days Specifications LG Tone+ delivers enhanced audio and bass response and a host of calling features in a sleek, comfortable design SpecificationLG Tone+ delivers enhanced audio and bass response and a host of calling features in a sleek, comfortable design Built in apt-X technology reproduces CD quality sound over a Bluetooth connection 10 hours of listening/15 hours of talk time provide all day connectivity Text Message reading through LG's BT reader Application for Android OS Unique, around the neck, wearing style provides all day comfort and ease of use FeaturesNoise reductionEcho cancellationText to speech***Multipoint connectionCall waiting*Call reject*Auto reconnectVoice activated dialing*Last number redialEasy pairin
Specifications good quality, cheap, quick delivery time used for mobilephone&PS3 manufacturer offer Detailed Product Description1.Best selling mono wireless headset 2.Built-in rechargeable battery 3.Energy saving 4.Distinctly superior Features of Wireless headset: 1.Wireless headset with built-in rechargeable battery 2.Wireless headset,suitable for different bluetooth mobile phones 3.Wireless mono call center headset, low end and long talk time 4.Wireless headset with adjustable volume and 10 meters effective range 5.stylish mini and elegant appearance design 6.easy to wear without hook ,very comfortable 7.Redial the last call,clear sound,reject call,volume adjustable 8.Faster connecting ,convenient to listen to MP3 from cellphone 9.Talking time:up to 3H,Standby time:about 75H 10.CE,FCC,RoHS approval Product Specification: * Talk time: Up to 3 hours t
Specifications Sport Bluetooth Headphone Headset Red,Pink,Green,Grey,Blue CE ROHS Great Sound Performance,3 Years Warranty Fast Delivery Sport bluetooth headphone MiNi headset/ rechargeable MP3 headphone read SD card cordless headset rechargeable and wireless bluetooth function various used for mobile phone, SD card read, MP3 Product Feature Introduction: 1.Hi-fi card read headphone; 2.Support 16GB TF card music playing; 3.Neckband design with good appearance and fashion; 4.Hi-fi sound make you enjoy the wonderful music; 5.Neckband used PVC material. Tenacious durable and foldable, convenient to wear; 6.Earmuff used super soft sponge, wearing comfortably, although long wearing will feel good; 7.Built in battery can be used last hours. 8.Support operate system, windows98/SE/ME/2K/XP Vista MAC OS 9.2 and over; 9.USB jack to charge, using more convenient. Specification MP3 -Technical Parameter