Specifications 1.Bluetooth headphone 2.Micro card headphone 3.Wireless/Wired 5.High stereo 5.FM Radio Function characterisfics *Bluetooth function *2.5mm audio input general port,and can be used for other audio equipments *Rechargeable battery,convenient and practical*Play TF card stored in mp3/WMA /WAVfiles*High quality speaker and sound cavity design,ensure high fidelity.CD quality effect.*FM function Product specifications and parameters*support the computer system:win 2000,win XP,win vista,win 7*the usb interface:high speed usb2.0*support the memory card:TF card*support card capacity :16GB*support music file format:MP3,WMA,WAV*support audio sampling rate:8-48 KHZ(MP3 bit rate:8-448 KBS,WMA bit rate:32-384 KBS)*Battery:rechargeable lithium-ion polymer battery*Charging power supply:computer USB port DC5V;DC 5V(500 MA)travel charger;DC 5V(500MA)car charger*Frequency response:20 Hz-20 KHz*SNR:>90db*Output power:2*10Mw*Continuous working time:8-10hours*Char
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: INDA / OEM Model Number: LB300 Style: Headband Communication: Wireless Connectors: bluetooth Use: mobilephone, pc Function: Bluetooth,Waterproof,Noise Cancelling,ultra light for portable Place of Origin: Guangdong China (Mainland) color: black,silver,blue,purple,red,pink mode: stereo Design: flash&charming&cute Feature: roll-over Material: pro-environment Charge: USB Packaging & Delivery Packaging Detail: 30pcs=1carton carton size:46.5*41.5*21cm box size19.5*15*4cm 1 carton=0.04CBM 20'Container=625cartons=18750pcs Delivery Detail: 20 days after receiving the deposit Specifications 1) smallest bluetooth headset 2) V3.0 + EDR class2 3) Distance: 15M 4) BQB approval 5) OEM available smallest bluetooth headset stereo bluetooth headphone with microphone (LB300) smallest bluetooth headset stereo bluetooth headphone with microphone (LB300) bluetooth headset cheap with microphone music enjoy and online chatting(LB300) bluetooth
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: MEW Model Number: WH-002 Style: Ear Hook Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) OEM: highly welcomed MOQ: 100 pcs Fuctiion: waterproof,bluetooth,noise cancelling microphone: YES League offer download: YES MP3 WMA: YES Memory power: YES Cable headset: YES Packaging & Delivery Packaging Detail: Product size:18.5*16*7cm Packing size:19*16.5*7.5cm Delivery Detail: within 3-6 days after payment arrived Specifications bluetooth headphone 1.put TF card play music directly 2.automatic FM radio function 3.colors: black. White. Red. Blue. Purple Wireless Waterproof headphones adapter1) Put TF card play music directly, and support for multiple audio format: WMA MP3... 2) Automatic FM radio function3) Recording function (according to the customization)4) Support cable headset heard that function, with a microphone5) Without electricity songs, radio memory functions6)
Brand Name: oem Model Number: BH-01 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Product name: stereo bluetooth headphone Color: white, black, red, pink, blue,etc Battery: rechargeable Usage: smartphone, tablet pc Microphone: build-in, invisable Working distance: 10m Charge time: 3.5hours Bluetooth version: 2.0 Sound: Hi-Fi, stero Logo: OEM Packaging & Delivery Packaging Detail: 1)standard color box. 2)user guide 3)External audio cable 4)USB charge cable or packaging it according to your request. Delivery Detail: 5~15days Specifications stereo bluetooth headphone 1) Stereo sound quality 2) FM & SD card slot 3) Support bluetooth v2.0 4) Best price and service Hi-Fi Stereo Bluetooth Headphone With FM Radio/Memory Card,Mp3 Unique Selling Points 1) This is not only
Specifications Either wear the ear tip or the loop Mini, compact and a perfect fit Volume adjustable Low voltage alarm by voice and light Detailed Product DescriptionFeatures:Either wears the ear tip or the loopMini, compact and a perfect fitVolume adjustableLow voltage alarm by voice and lightReject callVoice activated dialingRedial last coming number Specification:Specification: Bluetooth V2.0Size: 40.5X 19.7 X 10.8 mmChipset: BROADCOMFrequency: 2402MHz-2481MHzTransmitted power: Class 2(MAX 4dBm)Received Sensitivity: -80dBmCharging power sourcing: 5VDC/500MaBattery: Rechargeable Li-ion battery 80mAhWorking voltage: 3.7VCharging time: about 120 minutesTalking time: over 4 hoursWeight: 9gStandby time: over 130 hoursOperating range: 10 meters
Specifications Bluetooth headphones Suitable for ipod/iphone/laptop etc small wireless headphones Fully CE ROHS 2013 wireless stereo bluetooth headphone/headset ------------------------Product Performance ------------------------- 1Folding portable plug-in card bluetooth headphones 2V2.1+EDR Blooth version,High data rate; 3can connect with phone, convenient for talk4Wearing type elegant appearance design, fashionable avant-courier; 5OLED display,the play state be clear at a glance; 6Intelligent lyrics displayed function,will be played on the display lyrics(LFC format for file); 7The Hi-Fi stereo,let you move feeling,three-dimensional transparence service of music;8Wearing the soft plastic material design,comfortable wearing;98 kinds of sound choice,meet different music needs 10The built-in recording function,can record outside of the audio source 11The built-in battery for 12 hours12 Support the operating system:windows98/SE/ME/2K/XP Vista MAC OS 9.2
Specifications 1. wireless bluetooth headphones for laptop with Line in function 2. factory sell directly 3. with MIC, line-in Color black,white,red,silver Speaker 1.5inch 4Ω Bluetoothsupport Line insupport Colorful,fashion, wireless bluetooth headphones for laptop with Line in function SpecificationBluetooth Headphone with Line-in function.1. V2.1 Bluetooth Function Stereo good sound, Distance: 10m2. Line-in Function,with Mic3. Built in Lithium battery 400MAH, 4. Charge time: 2hs, play time: 6hs.5. Output power: RMS 0.5W(0.25W*2) THD=10%6. Frequency Response: 150-18KHz7. Loud Speaker 1.5inch 4Ω8. Color: black,red,white,light blue9. Packing: 60pcs/ctn, Carton size: 66*36.5*35cm. N.W/G.W: 13.5kgs/14.7kgs
Specifications Bluetooth Headset for iPhone 5; High SNR; Hidden omni-directional Mircrophone; No wire,no transmitter,no software,no setup. High SNR Bluetooth Headset for iPhone 5 Sepecification Bluetooth 2.1 wireless transmission protocol Transmission distance and range(10m, 360°) High SNR Bluetooth audio connection No wire,no transmitter,no software,no setup, it is easy and fast. 5: Automatic Switch-over between calls and musicHidden omni-directional Mircrophone 7: Low power indicaterAdjustable headband and foldedWorking duration:15h,charging duration:4hHeadset Spec.: frequency response:20-20KHz,SRN:85dB,working Voltage:3.7V,current:30mA speaker size:Φ40mmMicrophone Spec.:100Hz~10kHz&SRN≥55dB&Sensitivity:-42dB
Brand Name: OACBO Model Number: HS-S9 Style: Neckband Communication: Wireless Connectors: 3.5mm Use: bluetooth headset Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) color: green, red, black,blue Packaging & Delivery Packaging Detail: 1. PE bag / PP bag / OPP bag / PVC bag 2. white box / color box / color box with PVC window /EVA box 3. Blister card ( include one side blister and other side is color card) 4. gift box or customized . Delivery Detail: for MOQ ,Lead Time within 10 days Specifications 1.wireless earplug bluetooth headphone 2.high quality 3.mp3 function 4.colorful and pretty design 5.logo printing available wireless earplug bluetooth headphone 1) main features • Micro sd card slot.• Portable design, easy to take with you.• Comfortable for Sports.• One USB data cable for charging.• Play music from bluetooth devices ,such as your mobile phone
Specifications OEM wireless bluetooth headphone with fm radio 1.Factory supply 2.Various color for choice 3.Hi-fi stereo 4.CE&Rohs Newest design wireless bluetooth headphone with fm radio Features: 1).Over-head desgin brings you comfortable,convience and fashion. 2).Unique and intelligent function let you will not miss any mobile calls during you enjoy music 3).This headset has strong compatibility, can pair for most of bluetooth phones in the market 4).Wireless enjoy Hi-Fi stereo CD sound from computer which built-in Bluetooth drivers 5).The 3.5mm audio input interface is convinet for connecting with audio equipments.Built-in Li-ion battery 6).OEM service provided 7).Variety colors for choice 8).Support SD/TF card,with FM radio 9).Factory supply,high quality with best price Wireless headphone technical Parameter: ♥ Driver unit: 2 ×30mm speaker♥
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
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
Specifications Bluetooth Headphone 1.bulit-in microphone 2.Overstuffed leather 3.Adjustable ,folding design 4.Active noise cancellation Features:Hands-free Stereo Sound, compatible with iphone,ipod, android, MP3 audio players, tablets, computers and other bluetooth enabled devices.Built-in MicrophoneRechargable Battery, Usage time:up to 10-11 hours (fully charged), Approximately 3 hours charge timeAdjustable ,folding head band2X 2 speakers USB charging cable includedBluetooth Version: 2.0Bluetooth Profile: a2dp, avrcp,hsp,,hfpEffective range of 32 feets (10M).USB charging cable included Aux in function Item No.:FWBT-08-OrangeDescription:BLUETOOTH HEADPHONEColor:Black ,White, Orange, GreenUnit Weight:2.8KGSUnit Size:190(H)x180(W)x32mm(D)Solution & pick up: Certification:According to customer's requirementValid Period:one monthMinimum Quantity:900pcsPayment term:30% deposit and T/T balance before shipmentLeadtime:60days for 1st order, 45days for repeat orders.Exclusive Mark
Specifications 1.Bluetooth stereo headphone 2.Eye-catching design 3.Wanderful sound quality Bluetooth Version :ISSC 3.0+EDRType:Stereo headphone with internal micOperation Distance:10mRange of Frequency: 2.4 to 2.4835GHz ISM band Sensitivity:85dB Music Format MP3 at WMAStandby time up to 160hours Music Playing Time 5 hours Normal Charging Time Within 3 hours Battery 3.7V 200mA Rechargeable Li-Polymer RF Output Power -6dBm to 4dBm Operating temperature -10’C to +55’CSupports Bluetooth Headset, Handsfree, A2DP and AVRCP Profiles Kingsun: China supply chain solution Whatever you need, youcould find the solution from kingsun Since its establishment in 1995, Shenzhen Kingsun Enterprises Co., Ltd has been expanding its business fields globally and continuously growing up towards another milestone. With 10 professional product developing engineers, Kingsunprovides OEM & ODM service to clients all over the world,
Specifications 1.talking time :3 h 2.standby time :120h 3.transmitting distance :10m 4.Bluetooth Version :v3.0 5.chip:CCMIC new smallest wireless bluetooth headset for samsung Specifications: Brand NameJPModelJP-BH99AInterface TypeUSBStyle in-ear/hear hookproduct size35*15*10mmProduct NW8gUnit Packing size167*83.5*40mmProduct GW54.4g Features and Advantages:1. Fashionable looking ,Ultra Slim and Ultra Smart Design . Removable type ear hook Products through bluetooth BQB certification2. small size and light weight make you to convenient to use 3. Three different sizes of ear plugs, wearing more comfortable 4. Technology digital signal processing - DPS. 5. Memory matching + echo elimination + voice dialing 6. support all of the mobile phone 7. the bluetooth version 3.0,8. signal sending interval extending to 0.5 seconds, chip workload greatly reduced
Brand Name: HongKong HongFeng Model Number: 026 Style: Ear Hook Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: gift box or OEM design Delivery Detail: 2-5 working days after payment Specifications 1.Wireless bluetooth headset 2.Transmission Distance: 10M 3.Noise reduction 4.Fashion&lightness Nature Sound Bluetooth Headset Features:1.The FM special random play function2.Storage and read function of flash disk3.Standby-time more than 100 hours4.Nice quanlity with acoustic fidelity5.Radiation Proof Anti-dropping Power Saving Specifications:1.Bluetooth Specifications: V2.1+EDR 2.Bluetooth Program:ISSC+Class23.Standby time: ≥ 100hours4.Talk time: 6hours5.Charging Time: 2-3 hour6.Standby Current: 0.7-1mA7.Batery Capacity: 48mA/h8.Wireless Frequency Range: 2.4G9.Transmission Power: 0 dbm11.Transmission
Specifications 1.Bluetooth Headphone 2.Stylish design 3.Bluetooth connection 4.Stero sound 5.Light weight Bluetooth versionV2.1Bluetooth profiles suppportedheadset, handsfree, A2DP and AVRCP.Freequency2400.0-2483.5MHzNominal charging time2-3 hours.Talk timeup to 7 hours.Music playing timeup to 6 hoursStandby timeup to 180 hoursDimensions15 (L) * 11(W) * 7.5 (H)mmWeight100g
Specifications Available in :Windows IOS Android New fashion design Wireless with bluetooth function Easy to use music file format:MP3,WMA,WAV Charging power supply:computer USB port DC5V;DC 5V(500 MA)travel charger;DC 5V(500MA)car charger Frequency response:20 Hz-20 KHz Output power:2*10Mw Working temperature:0-50 centigrade Specification Stereo bluetooth headset HS1800 Bluetooth version:2.1+EDR Talking time:7 hours Standby time:200 hours
Specifications 1.Bluetooth 2.1 wireless transmission protocol 2.High SNR Bluetooth audio connection 3.Hidden Omni-directional Microphone High SNR Bluetooth Headset (Nbth03) Bluetooth 2.1 wireless transmission protocolTransmission distance and range(10m, 360°)High SNR Bluetooth audio connectionNo wire, no transmitter, no software, no setup, it is easy and fast.Automatic Switch-over between calls and musicHidden Omni-directional Microphone Low power indicator Adjustable headband and folded Working duration:15h,charging duration:4hHeadset Spec.: frequency response:20-20KHz,SRN:85dB, working Voltage:3.7V,current:30mAMicrophone Spec.:100Hz~10kHz&SRN≥55dB&Sensitivity:-42dB
Specifications 1.2013 best colorful MP3 stereo wireless bluetooth headset headphones with FM for pc mobilephone 2.color:black,white 1.2013 best colorful MP3 stereo wireless bluetooth headset headphones with FM for pc mobilephone2.color:black,white3. 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.
Brand Name: cifeng Model Number: v2.1-x8 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black white Packaging & Delivery Packaging Detail: Conventional packaging (color box and plastic) Delivery Detail: 2-5 working days Specifications 1.Bluetooth headset V2.1-X9 2.working distance: 10m 3.good voice Operation range: Up to 10 metersBluetooth version: V2.1Comfortable ear hookSolution: CSRTalk time: Up to 3 hoursStandby time: Up to 100 hoursWeight: about 10 gramsDimensions:(L)48mm*(W)18mm*(H)12mmBattery type: Rechargeable Poly -Li batteryMultifunction: reject a call, call redial, voice recognition*Universal Micro USB charge port
Specifications Hi-Fi stereo bluetooth headset 1.support multipoint pair(connect 2 devices simultaneously). Hot Products: Hi-Fi stereo bluetooth headset 1. support multipoint pair(connect 2 devices simultaneously). 2. Block external noise excellently, with built-in CVC to offer clear conversation effect. 3. Bluetooth chipset: CSR BC5 V2.1+EDR 4. Support A2DP,AVRCP,Headset,Headfree profile. &nbs
Specifications Handsfree Bluetooth Headphone Headset with Mic 1.Version:Bluetooth V2.1 2.Wireless Frequency Range:2.4GHz Handsfree Bluetooth Headphone Headset with Mic Specifications *
Brand Name: ICABLELINK Model Number: DIS30091 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Brand: new Quality: super Color: white Talking time: Up to 6 hours Warranty: 1year Certificate: CE&FC Packaging & Delivery Packaging Detail: Color box Delivery Detail: 3-5days Specifications Waterproof Bluetooth Headphone with microphone 1.Up to 6 hours talking time 2.All in one,no need extra cables Waterproof Bluetooth Headphone with microphone for iphone 5 samsung S4 Feature 1.Stand alone solution for Bluetooth headset and Waterproof function;2.CSR Bluetooth IC ensure the high qulity3.Stero Headphone with waterproof Microphone4.Up to 6 hours talking time5.All in one,no need extra cables6. IPX8 ensure you can enjoy music or phone call in any conditions.
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
Model Number: CP-V10 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone colour: silver,black Packaging & Delivery Packaging Detail: blister packing Delivery Detail: 10days based on your order Specifications bluetooth headset for nokia mobile Bluetooth protocol: version 2.0, ISSC chip Frequency: 2.4 GHz Bluetooth range: 10m bluetooth headset for nokia mobile Technology ParameterTechnology Standard : Bluetooth CSR V2.0 HeadsetChipset : BlueCore4-Audio Single ChipsetBluetooth performance standard: Support Headset and Handsfree profileTransmitter power: Class 2Wireless frequency: 2.4
Specifications fashionable and simple design foldable design,easy to take away. Bluetooth Chip: CSR 2.1Bluetooth Profile: A2DP,AVRCPOperation Distance: up to 10 MRechargeable lithium ion battery: 3.7V 180mAhPlayback time: 7-8 HoursCharging time: 2-3 HoursFrequency Response: 50HZ-20KHZS/N Ratio: >=95dBInput Sensitivity: 600mv RMSDistortion: <=1.0% Battery Capacity 180mAhBattery Voltage 3.7VUSB input Voltage 5VPlayback time 8 hours Compatibility Including: -Apple IOS 4.0 version above(iPhone 5 & 4S & 4 & 3GS)(New iPad & iPad2 &iPad)(iPod Touch 4 ) -Nokia Symbian S60 (V3.0, 3.1 or 3.2) OS -Windows Mobile (6.0 and later) OS Current we use Gift color box. Pls email us for details and packing liOrder Qty over 3,000 pcs. We can customize your packaging.Pls contact us to set the details Our R&D team can meet your specific function requests of the products. So pls let us know your ideasWe also like to introduce our ne
Brand Name: ODM,ODM Model Number: BT-2 Style: Headband Communication: Wireless Connectors: USB Use: computer ,mobile phone ,music Function: Bluetooth Place of Origin: Guangdong China (Mainland) Supports: Bluetooth Headset, Handsfree, A2DP and AVRCP Profiles Standby time: up to 200 hours Battery: 3.7V 300mA Rechargeable Li-Polymer 3.7V 300mA Rechargeable Li-Polymer: Imput AC 100-240V, output DC 5V 300mA 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