Specifications 1. TF card audio headphone 2. Support date download from computer to TF card 3. foldable design 4.Chargeable lithium battery HEP-001 TF Card Audio Headphone 1. TF card audio headphone 2. Support date download from computer to TF card3. foldable design4.Chargeable lithium battery Specifications: HEP-001DiscriptionTF Card Audio Headphone - Back-neck, foldable design- Support TF card for MP3 formatSupportLaptop, PCImpedance32ΩCharging powerUSB 5.0VFrequency response40-17K HzCharge time≤1.5 hoursMax working current55mALithium batteryBuilt-in 300MAH c3.7V rechargeableS/N Rotio≥60dbCharging current500mATrack Isolation≥50dbCord plugUSB A maleColorMultiple colorsDimensions54x47x16 mm(Single Earplug) Packaging: PackingHEP-001Each Set in paper box CTN:40pcs SIZE(L W H)(CM)52.524.541.5CTN CBM:0.0534 CBM -10Kpcs:13.3448 N.W.6.50kgs G.W.7.00kgs Leading Time:Lead time:
Brand Name: OEM Model Number: CM039 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) computer: headphone microphone Packaging & Delivery Packaging Detail: paper packaging Delivery Detail: 3-7days Specifications Wireless Stereo Bluetooth Headset Headphone w/Mic 1.Version:2.0V 2.Feasible distance:within 35feet Wireless Stereo Bluetooth Headset Headphone w/Mic Introduction:1.Bluetooth Wireless Headphone with Microphone2.Wireless chat online. (MSN, Skype, AIM, QQ...)Two-side real time wireless connection3.Motile, Portable Use for PC,Laptop, Netbook...4.Wireless operate the Music Player of PC (Controlled by earphone), 5.Former song/Next song, Volume+/-,Stop/Pause/Play6.Pair with Bluetooth Stereo Mobile phone.7.All functions of
Brand Name: C&D Model Number: CDB-007 Style: In-Ear Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Product name:: Bluetooth headset Talk time:: 5 hours Standby time:: 120 hours Bluetooth Version:: CSR 4.0 Color :: Apple white and blak Support :: HFP/HSP/A2DP/AVRCP Voice prompt:: MMI; iPhone battery indication Charging time:: 2 hours Range up to:: 10 meters Dimenstion:: 52x17.77x6.35mm Packaging & Delivery Packaging Detail: Gift Box:with 1pc Bluetooth Headset, 1pc USB cable and 1pc box package Delivery Detail: 30 days Specifications 1. *Bluetooth Version CSR 4.0; Supper thin design 2. *Apple white and black perfectly fit for Iphone and Samsung BluetoothStereo HeadsetItem Nr.: CDB-007 CSR BC8610 chipset*Bluetooth Version 4.0*Support HFP, HSP, A2DP profiles*Multipoint A2DP connection*Multipoint HFP connection*Voice prompt for MMI*Support iPhone battery indication*Standby time: 120 Hours*Talk time: 5-6 Hours*
Specifications wireless bluetooth headphones Last number dialing Refusing incoming call OEM&ODM MOQ:200PCS Cheapest and Super Comfortable Headset the Smallest Wireless Bluetooth Headphones Specifications: Bluetooth version: V3.0Transmission distance:10mStandby time: 50 hoursTalk time: 3 hoursProduct weight:7gDimension:38*18*10mmColor: white,red,gray,blueFunction: Redial,Voice dialing,Answer/end a call Package: USB cable+earbuds+earhook+user manual 1pcs/color gift box100pcs/cartonCN size:41.5*31*47G.W.:5.7kg We welcome OEM & ODM orders,small order are acceptable.If you have any questions,pls contact Ms. Donna Hong(happy#seelongchina.com,pls change the # into @ when you sent E-mails to me,Thank you very much!)
Brand Name: NLD Model Number: EPS3 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,bluetooth Place of Origin: Guangdong China (Mainland) Feature: wireless bluetooth headphone color: optional sound: excellent logo: available wire: wireless design: unique Certificates: CE,RHOS,REACH Packaging: customized price: competitive Packaging & Delivery Packaging Detail: BLISTER PACKAGE,BOX, OR CUSTOMIZED Delivery Detail: WITHIN 20 WORKING DAYS Specifications 1.best bluetooth earphone 2.CE,RHOS,REACH 3.Excellent sound bluetooth headphone 4.At factory price 5.Logo available Best bluetooth headphone specification: Stereo Bluetooth headphoneVersion:V2.1+EDR Support Profile:Headset Profile/ HandsFree Profile A2DP Frequency:2
Specifications Fashionable neckband MP3 bluetooth headphones 1. factory price 2. warranty: 1year 3. Pass CE & RoHS 4. OEM & ODM welcome Fashionable neckband MP3 bluetooth headphones 1. Features:1. Frequency response: 20-20,000Hz2 Talking time: 15 Hours3. Standby time (Bluetooth): ≥ 200 hours4. Battery: rechargeable 460mAh Li-ion battery5. Charging time: about 2.5 hour6. RF: 2.4GHz GFSK7. S N R :90 dB8. Bluetooth Version: V2.0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~2.description1. Bluetooth Version, V2.02.Talking time,15 Hours3. Standby time,240 Hours4Power supply, DC 5V5.Battery,rechargeable 460mAh Li-ion battery~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~3. Packing information: Inner pack 1 unit/gift box Outer pack 20 units/Ctn Ctn meas. 60*46*55CM N.W. 14 KGS G.W. 15 KGS 20ft container Load 11100 units
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 1 Bluetooth Headset 2 Black Bluetooth 3 3.5mm TM-517MV Bluetooth 3.5mm TOMADO TM-517MV HI-FI Headband Bluetooth Headset Microphone At 180 Degree Angle Black LF-0519 FAQ:1,If the quantity I get is less than the quantity I order,what will you do?We strongly request every customer open the package check the quantity before sign the delivery.If find the quantity is less than ordered,please refuse to confirm the delivery.We are not responsible for such claim if customer don't open the box check quantity before sign the delivery.2,How to choose color?If the color you want is not listed,please leave message below the transaction about the color you want,we ship according to the message,if no message le
Specifications bluetooth earphone: 1.with most bluetooth device 2.perfect for air travel 3.high definition sound 4.A-grade quality We warmly welcome to your OEM orders: www.sechange.com Noise Isolating On-Ear Headset S450 Wireless Bluetooth Headphone : * Wireless Bluetooth On-Ear Headset,A-grade quality * High definition sound in a completely wireless design * Built-in Bluetooth technology,with most luetooth device * 2012 Fashion New Design If you are interested in our headphones,please don't hesitate to contact us for business negotiation!!! We look forward to your inquiry!!!
Specifications 1.charming stereo wireless headset 2.CE & ROHS 3.Fast delivery 4.Bluetooth Program:ISSC+Class2 5. bluetooth headphone charming stereo wireless headset, bluetooth headphone Product Discription: Bluetooth Core: V2.1+EDR Bluetooth Program:ISSC+Class2Standby time: ≥ 100hoursTalk time: 6hoursCharging Time: 2-3 hour Standby Current: 0.7-1mABatery Capacity: 48mA/hWireless Frequency Range: 2.4GTransmission Power: 0 dbmTransmission Distance: 10MEnvironment Temperature: -20/+60 °COperating Voltage:3.7V More tips: Bluetooth is a radio technology developed to deliver short-range wireless mobility. It eliminates the physical wires between the high technology devices such as mobile phones.Most advanced Mini Bluetooth Headset with length 29.4mm & weight 6.8g only. Up to 5.5hrs talk time & 10m range allows you talk anytime freely.Bluetooth Headset works up to 15m allows you talking everywhere. All phone calls are connected wireles
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
Specifications 4.0 Bluetooth Headset 1>In-Ear design 2>Easy operate buttons 3>Super sound quality 4>Compatible with any bluetooth devices 2013 New Items! Multimedia 4.0 Bluetooth Headset/ Bluetooth Earphone/ Bluetooth Headphone 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 Mobile Phone, PDA, PC, etc. 6>Wireless connection to Bluetooth compatible devices should be within 10 meters / 33 feet11>Working range: 10M12>Talk time: ≥ 5-6 hrs13>Standby time: ≥ 120 hrs14>Charging time: less than 3 hrs15>Battery: Rechargeable 95mAh Li-Polymer Battery16>Charger Power: Input 100-240 V AC, Output: 5V DC17>Standard Layout: 1*Bluetooth headset+1*Charger+1*Ear line+1*Product manual Advantages of 4.0 Headset over 3.0 Headset 1. Longer talk time
Brand Name: TOMO Model Number: CS1 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: ABS bag+PC Delivery Detail: 3days for sample, 7days for bulk product Specifications multi function 4 in 1 wireless bluetooth headphones 1. Sound proof; 2. Bluetooth stereo power: 28mA 3.rechargeabl battray high multi function 4 in 1 wireless bluetooth headphones 1. Sound proof;2. Bluetooth stereo power: 28mA3.Built-in rechargeabl battray 1. Sound proof;2. Support usb file transmit;3. Micro SD card up to 32GB; 4. Support LINE-IN function;5. Latest V3.0 +EDR,third version; 6. Transmit range:10m; &
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
Specifications 1.origin design 2.Hi-End sound quality 3.CE,FCC,RoHS passed 4.OEM highly welcome Blue headphone for MP3,IPAD,IPOD,PHONES1).Speaker Unit: 40mm2).Impedance: 32ohms3).Sensitivity: 110dB+/-3dB4).Frequency Response: 20Hz-20KHz5).Wire: 110cm6).Plug: Silicon7).Function: stereo super-bass, without 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 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
Brand Name: Starfly Model Number: MBT02 Style: Ear Hook Communication: Wireless Connectors: Blueooth connection Use: Motorcycle, Bike, Ski, Wokers Helmet Function: Bluetooth Place of Origin: Guangdong China (Mainland) name: motorcycle open helmet headset . bluetooth headset communication DIstance: 500 meters Color: Black For motorcycle: YES For Bicycle: YES For workers: YES For sports: YES FM: YES Interphone: YES Factory service: YES Packaging & Delivery Packaging Detail: Colour Box+Blister Bag Color Box Size : 21x17x6 cm Carton Size: 65x34x23 cm/24 sets/Ctn G.W.: 21KG. Delivery Detail: 1-3 business days after bank transfer confirmation Specifications motorcycle open helmet headset . bluetooth headset with interphone intercom communication 500m range HD voice factory price motorcycle open helmet headset . bluetooth headset with interphone intercom communication Motorcycle helmet headsets / intercom /bluetooth handsfree kit 100meter 500meter two way
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 High quality Bluetooth headphonesaccessories With Mp3 Player,Bluetooth Stereo Headset With Microphone from Earphone Specifications
Specifications Environmental bluetooth headphone 1.Multifunction Sport & Music 2.Warm care accessory 3.Certification available 4.OEM Environmental rechargable bluetooth headphone Model:UVH001 Bluetooth wireless ear muff headphone Product Features: After Bluetooth earmuff is paired to a mobile phone, it is possible to make and receive phone calls thanks to the microphone and the speaker placed respectively on the Bluetooth earmuff. The buttons which control Bluetooth functions are placed on the one side of the Bluetooth earmuff. 1. Make and receive phone calls 2. Call the last selected number After Bluetooth earmuff is paired to a mobile phone, it is possible to listen to music thanks to the Bluetooth signal receiver and the speaker placed respectively on the Bluetooth earmuff. 1. To listen to music and to pause music2. Adjust the speaker volume when you listening to music 3. To select the previous/next song 3. To reject an inc
Model Number: B60 Style: In-Ear,In-ear Use: Mobile Phone Function: Bluetooth Place of Origin: Fujian China (Mainland) Operation Range: 10 meters Color: Silver Usage: Mobile Phone Bluetooth Version: V2.0 Battery Capability: Support over 4 hrs talking Dimension: 110mm(L)*15.6mm(W)*10.6mm(H) Packaging & Delivery Packaging Detail: Customized package available. Regular packing: one in each box lined with thin plastic. Dimension of packing box: 146mm(L)*81mm(W)*40mm(H) Delivery Detail: 21 days for first order over 2K Specifications Bluetooth headphone are our Patented Products which work both as Bluetooth headset and Touch-pen for touch-pad. Bluetooth headphone are specially designed products of which we owned the patent.They creatively achieved the combination of Bluetooth Headsets and the mobile phone in technology, function and the correlativity, thus brought the users both fresh experience and simple operation.1. VersatilityThe Pen-shape Bluetooth Headset Series broke the trad
Model Number: SQTD-928 Style: Headband Communication: Wireless Connectors: 2.5mm Use: music Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Specifications bluetooth headphone 1.Bluetooth function 2.Play music from memory card 2.Wireless/Wired 3.High stereo Features: 1.)Hi-Fi sound and reliable quality 2.) Strong bass generated from powerful driver 3.) High rated power and great sensitivity response 4.) Their uniquely contoured body allow for a 180 degree offers ergonomic comfort and noise isolation better than standard headphones 5.) Stylish color design with mic and volume controller 6.) OEM and ODM orders are welcomed 7.) Packing: gift box and PP/PE bag, blister, clamshell, case and more.All depends on your requirment. Specification 1. Correspond With:V3.02. Support:HSP, HFP,A2D
Specifications Hi-Fi Stereo Bluetooth Headphone BluetoothV3.0+EDR 200Hours Standby Time Rechargeable Battery Headband Folding Design 2013 New Design Hot Sale Bluetooth Headphone BT-988 Product Features* Hi-Fi Stereo sound quality* Portable light weight headband foldable design, easy operating* Strong anti-interference ability,high fidelity* Suitable for any mobile phone or pc with bluetooth functions*Colorful appearance design Specifications Audio Frequency Response40Hz~18KHz Output Power25dBmS/N≥90dBSpeaker2xØ30mm Operating Voltage DC 3.7V Operating Curret 25mA Carrier Frequency 2.4GHz GFSK Hold Time 15 Hours Music Playing 12 Hours Protocol Standard Bluetooth V3.0+EDR Standby Time 200 Hours Above Battery3.7V/320mAh rechargeable Li-ion battery Charging Time 2~3.5 Hours Operating Distance≤10mPackageblister+paper card BT-988
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 1.Portable wireless music headphones for Phone 2.Answer and dial out phone convert automatically 3.Built-in high quality MIC
Specifications Specifications 1.Bluetooth Headset with Microphone 2.Mini portable and easy to carry 3.with Bluetooth 2.0. 4.High Capac Cool in-ear bluetooth headset for PS3 with microphone This is the Bluetooth Earphone specially designed for PS3 according to its game characteristic, single earpiece style, can not influence the sound surrounding the player. It adopts the advanced 4 times noise reduction technology, keeping the communication crisp and clear during playing game. 1.Bluetooth Headset with Microphone2.Portable and easy to carry3.with Bluetooth 2.0.4.High Capacity Lion Battery Specifications1. Bluetooth version: Bluetooth V2.0+EDR2. Chipset: CSR BlueCore4-Audio ROM single chip3. Frequency: 2.4GHz4. Operation range: 10m5. Microphone sensitivity: -45dB(0dB=1V/Pa,1KHz)6. Transmission power: Class 2 Basic Parameter1. Weight: 43g2. Talk time: 8 hours3. Standby time: 250 hours4. Charge time: less than 8 hours5. Charge current: 80mA6. Charge voltag
Specifications wireless bluetooth headphones for laptop 1. Cool design bass headphone 2. Enriched sound 3.low price abd best quality 2013 Fashionable Wireless Bluetooth Headphone Details Bluetooth version: Bluetooth V3.0+EDR Supports: HSP, HFP, A2DP and AVRCP Key: Volume up/down, Song last/next, MFB pair/pick/hang/recall Effective range: 10 meters Working time: Music: Up to 10 hours Talk: Up to 11hours Standby time: up to 250 hours Input: DC: 5V/130mA Charging time: about 3 hours Microphone: build-in Rechargable: USB mini 5 pin cable Bluetooth versionBluetooth V3.0+EDRSupportsHSP, HFP, A2DP and AVRCPKeyVolume
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
Specifications 1,Bluetooth headset,bluetooth handsfree 8015 2,In stock with competitive price 3,with safe packing,tested before shipping Features:Bluetooth headset,bluetooth handsfree model:8015Bluetooth v2.1+ EDR compatibilitySmall and compact in-the-ear design,supreme comfort and perfect fitIt can wear with removable ear hook for either earA giant leap in voice quality with 'Aurstream'Supports bluetooth headset and handsfree profilesSpeaker volume gian controlSpecifications:Supporting edition:2.1Frequency range:2.4GHz-2.48zTransmission power:Class2Trasmisssion distance:10MEnvironment Temperature:Working:-20oC-60oC Charging:0oC-45oC Operating
Specifications Superior sound quality wireless bluetooth headphone. Factory price, fashion design ,fast delivery Perfect quality . Products Medol:BT-300 BlackProducts Detail: THD:<1%SNR:≥75 dbSpeaker Size:40mmSpeaker Impedance:32ΩUsing Hours: 9-12 HoursHeadphones Net Weight:140gCarrier Frequency: BluetoothReceiving Range:8m,360 degreesFrequency Response:20 Hz—20 KHzOther Features: Built-in rechargeable battery/USB sound card Features:Perfect stereo sound,support bluetooth receiving, within 12m.With microphone,support taking phone call directly by earphone. Weight: 255 gBox Size: 81*41*32 cmPer/Box: 36 pcs