Brand Name: wonderhuge Model Number: WH-E68 Style: Ear Hook Communication: Wireless Connectors: USB Use: mobile phone, computer Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: silver, red Packaging & Delivery Packaging Detail: 1 unit in a gift box and Delivery Detail: 7-20 days Specifications 1. stereo bluetooth headphone with micro sd slot 2. built in mp3 player 3. talking freely on phone 4. used as wired headset 1. Product name: stereo bluetooth headphone with micro sd slot 2. Features:Talk on phone wireless via bluetoothHands free functionEnjoy music from mobile phone wirelesslyBluetooth receiving up to 10 metersIntegrated MP3 player to play by inserting micro sd cardAvailable for computerBuilt-in Li-ion battery supporting long time playingused as wired headset 3. Specifications:Bluetooth:Bluetooth Version: V2.0Talking time: 15 HoursStandby time: 240 HoursPower supply: DC 5VOutput power: 20mWRF: 2.4GHz GFSKBattery: rechargea
Brand Name: OEM Model Number: KBT-9210 Style: Headband Communication: Wireless Connectors: Bluetooth/Wired Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) weight: 260g speaker Size: 57mm Packing: Color box Type: Bluetooth wireless/ wired 2 in one Bluetooth version: Bluetooth v2.1+EDR class 2 Feature: built-in microphone, call-forwarding function Support profiles: Headset, Hands free, AVRCP, A2DP Battery: 3.7V lithium-polymer battery 300mAh Talk time: up to 8 hours Packaging & Delivery Packaging Detail: Color box & Your OEM packing Delivery Detail: 3-7days, subject the the final order Specifications Hands free Super HI-FI Stereo Bluetooth headphone 1.hands free 2.bluetooth 2.1 3.HI-FI 4.folded Hands free Super HI-FI Stereo Bluetooth headphone Super HI-FI Stereo; fashion; cool; comfortable design;different folded mode ;1: Headset, Handsfree, A2DP and AVRCP Profiles 2:Automatic Switch-over between calls and music
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… ; &
Specifications bluetooth headphone & mp3 palyer 1.support fm radio 2.build in memory to display the music 3.stereo,bass top quality Wireless remote control bluetooth headphone & mp3 palyer words: Headphone,mp3 player,music player,fashion headphones,fm radio,bluetooth headset,bluetooth headphone wireless headphone,bluetooth earphone,mp3 speaker,wireless earphone for phone,fm headphone mp3. bluetooth headphone,wireless headphone,beats headphones,headphones beats,studio headphonesheadphones bluetooth,beats headphone from china factory,earphones and headphone,mp3 headphonein ear headphones,stereo headphone, headphones,memory card headphones,headphones with micheadphone amplifier,mini bluetooth headset,bluetooth earphone,mp3 player,music player,bluetooth headse
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
Brand Name: for iphone Model Number: bluetooth headset Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black specification: bluetooth Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: 5 days Specifications Bluetooth Headset for iphone 3G ,Bluetooth headset , Accessories for apple iphone 3G , Apple iphone ,Top quality , Stylish Bluetooth Headset for iphone 3G ,Bluetooth headset , Accessories for apple iphone 3G , Apple iphone ,Top quality , Stylish Stylish , Compact design , Light weightAdjustable earhook to allow wear by 2 earsIndicator for charging status Included Accessories :Bluetooth headsetAC chargerCharging cableearhook
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
Specifications 1.Bluetooth stereo headphone 2.Competitive price 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, optimize the
Specifications Aminy bluetooth headset good quality bluetooth headset your preferred music headphones,double device to connect model number Aminy:M350.Version: V3.0+EDR.Mode: Hands Free/Headset.Frequency:2.4GHz.Transmit Power: Class 2.Support A2DP music playback IOSPower display Power saving mode suspended The sound add 1 drag 2 Connect two phones at the same time easily conversion .Range: 10M.Power: ACInput 110-240V, DC Output 5V.Talking Time:5H about.Standby Time: 100H about.appearance size: 47*18*10mm.Product Weight: 8g about
Specifications 1.bluetooth headphone, 2.hand free, 3.3D LOGO, 4.sport-style 1) INTRODUCTIONWe, Ko-star, are committed to designing and producing high quality and stylish headphones.By more than 10 years manufactoring experience, we have organized a professional designer/engineer team for the whole production line, as well as effective and successful QC system from molding to assembling.Music is Sans Frontieres. 2) SPECIFICATION1.Bluetooth specification: V2.1+EDR 2.Bluetooth profiles: HSP, HFP, A2DP and AVRCP 3.Operating distance: 10 meters Class II 4.Rechargeable 430 mAH Li-polymer battery 5.Talk time: Up to 16 hours 6.Music playing time: Up to 14 hours 7.Charging time: About 3 hoursSpeaker Specifications Speaker: Φ30mm Impedance: 32Ω S.P.L.: 100±3dB @1kHz Rated Power: 20mW Frequency Response: 20Hz-20KHzMicrophone Microphone Unit: Φ6*2.7mm Directivity: S.P.L: -42±3dB 0dB=1V/PA @1KHz Frequency Response:100Hz-10KHz Operating Voltage: 1-10V &n
Specifications Mono Bluetooth Headset with 3 Hours Continual Talking 1. High Quality with Retail Package. 2. Good Price 3.Universal using Features: Bluetooth Core: V2.0Bluetooth Profile: 1.1/1.2/2.0+EDRStandby time: ≥ 36hoursTalk time: 3 hoursCharging Time: 2-3 hourStandby Current: 0.7-1mABatery Capacity: 30mA/hWireless Frequency Range: 2.4GTransmission Power: 0 dbmTransmission Distance: 10MEnvironment Temperature: -20/+60 °COperating Voltage:3.7VAdjustable volume Details: NameMono Bluetooth Headset with 3 Hours Continual TalkingMaterialHigh quality ColorBlackDelivery timeFast delivery,within 3-7 daysMOQGoods on handsSamplesOEM is availableDescription1. Made of good quality material2. Popular beautiful grid design 3. Various colors available 4. easy to install5. Delivery fast & Good servicePackingPE Bag,then in carton,carton size:60*39*45cm
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
Brand Name: USBONLINE Model Number: CEBH0113 Style: Neckband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Colorful Packaging & Delivery Packaging Detail: Gift box/ OEM package Delivery Detail: 3 to 7 days when confirm the order Specifications Bluetooth Headphones 1 Suitable for mobile phone, PC, and MP4 2 Volume adjustment 3 Transmit range: up to 10M High Definition Stereo Back-hang Wireless Bluetooth Headphones HeadsetPortable Back-hang design convenient for sports. Suitable for mobile phone, PC, and MP4. Hands free speaking by pairing with mobile phone. Enjoy music of iPod with adaptive dongle. Receive and reject incoming calls while automatically stop music. Volume adjustment. Bluetooth version: V1.2/V2.0, Class II Chipset: CSR Frequency: 2.402GHZ - 2.480GHZ ISM Band. Senstivity: -80dbm Transmit range: up to 10M Transmit speed: 57-723 KB/s. Stereo compression ratio: 44.1/48 KHz. Channel: 79
Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) BT version: V3.0+EDR Color: Coffee,Black,Blue standby: >70 hours Weight: 6g Conversation time: >2 Hours Delivery time: 1~3 days Package: safe dimension: 18*18*22mm Distance: 10M Warranty: 6 months Packaging & Delivery Packaging Detail: color box Delivery Detail: 1~3 days Specifications mini mono bluetooth headset/headphone,wireless bluetooth headset 1,smallest bluetooth handsfree 2,Shinning 3,light weight mini mono bluetooth headset/headphone,wireless bluetooth headset Detailed information: Products Namemini mono bluetooth headset/headphone,wireless headset Quality guarantee100%QC before packing and sendingColorCoffee,Black,Blue Custom made Accept OEM,ODMWelcome customer's color, design, logo, size etc.MOQ10pcsCapacity8000 pieces per wee
Specifications wireless bluetooth headphones Talk time: 30h Standby time: 600h Charging time: 3 h Bluetooth Headset Series / wireless bluetooth headphones Specifications: Feature: 1) Either the earhook or the ear pulg. 2) Support buetooth headset, handfree profile. 3) Redial the last call,reject call. 4) Volume adjustable. 5) LED indicates connection. Specification: 1) Bluetooth protocol: version 2.0 2) Frequency: 2.4 GHz 3) Bluetooth range: 10meters. 4) Power supply: DC5V/120Ma. 5) Working volt: 3.7V. 6) Battery: rechargeable Li-lon battery. 7) Talking time:up to 4 hours. 8) Standby time: up to 70 hours. 9) Charging time: about 2 hours. Accessory: 1. Charger (optional) 2. USB charging line. 3. User guide. 4. Ear hook Packaging: gift box 1. Box size: 55*43*39cm
Brand Name: (FLYING)OEM Model Number: 210BT Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,bluetooth Place of Origin: Guangdong China (Mainland) COLOR: red,blue,yellow,etc shape: fashionable and popular distance: 10m Packaging & Delivery Packaging Detail: blister packing Delivery Detail: 10-15days Specifications Bluetooth 2.1 wireless Automatic Switch-over between calls and music No wire,no transmitter,no software,no setup to connect. Description: Bluetooth headset &
Brand Name: KINDEN Model Number: KDB-3010 Style: Headband Communication: Wireless Connectors: Other Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Support systems: bluetooth wireless headphone Bluetooth protocol standards: Bluetooth V2.1+EDR Receiver range: 10m Carrier frequency: 2402MHz-2480MHz USB interference: High speed USB 2.0 Battery: chargeable lithium-ion polymer battery (3.7V/600MA/h) Charger power: computer USB interface DC5V;DC5V(500MA); Successive working time: about 12 hours Frequency response: 20Hz to 20KHz S/N ratio: _82db Packaging & Delivery Packaging Detail: Standard packing:40 pcs/carton Outer carton size:43*53*57cm Delivery Detail: 20 days Specifications new andhot selling bluetooth Headset can make any color extisting different design for choose CE.ROHS,FCC,BQB Specification:Static Current: Under 10UA Working Current: &n
Brand Name: BW Model Number: S1000 Style: Headband,back-hang Communication: Wireless Connectors: 3.5mm Use: mobile phone; tablet pc; computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: stereo Connection: Bluetooth wireless Battery: Li rechargeable Packaging & Delivery Packaging Detail: - Box: standard or customization - User Manual x1 - USB Cable x 1 - Charger: car charger or Travel charger Delivery Detail: 7~18 DAYS Specifications - Bluetooth Stereo Headphones - Stereo Bluetooth headphones with headband style - support a2dp, avrcp 2012 NEW popular fashionable stereo bluetooth headphone- Stereo Bluetooth headset with back-hang style- Supports Bluetooth A2DP, AVRCP, and HS/HF profiles- Features Software & CVC echo/noise cancellation for reducing noise- Foldable design provides maximum portability - Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc - Switch automatically from remote controls
Specifications A+++ quality,brand new,box packaging,factory price,good service,many different designs and model available,fast delivery!!! Dear friends,the products have logo and the products are in sealed box,if you are interested,please contact us,thanks!
Brand Name: OEM Model Number: YU-BT8130 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) colors: colors are available:black,white,red(You can do your own color) packaging: color box,customized packaging MOQ and price: ajustable according detailed situation Packaging & Delivery Packaging Detail: gift box,blister packages. Delivery Detail: 28-35days Specifications Adavantage:Providing you fresh enjoying of beautiful sound and talking.Its elegant and comfortable design makes it ideal for you Adavantage:Providing you fresh enjoying of beautiful sound and talking.Its elegant and comfortable design makes it ideal for you Specification: Built-in microphone
Brand Name: VCOM Model Number: DE753 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth version: blurtooth2.1+ EDT technology Frequency range: 2.4GHz-2.4835 GHz Bluetooth distance: 10M External expansion card: TF card up to 16 GB LED indication light: YES Battery: 240mAH rech chargerable lithium-ion battery Charge voltage: 5V Music time: 8-10 hours FM range: 87M HZ-108MHz Packaging & Delivery Packaging Detail: VOCM brand blister box , OEM package Delivery Detail: 25-30 days after perpayments Specifications Top Sale Colorful Memory Card Stereo Bluetooth Headphone 1.bluetooth distance:10M 2.FM range:87M HZ-108MHz 3.low MOQ Top Sale Colorful Memory Card Stereo Bluetooth Headphone Specification Bluetooth versionblurtooth2.1+ EDT technologyFrequency range2.4GHz-2.4
Brand Name: Neutral Model Number: BH501 Style: Ear Hook Communication: Wireless Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Full color options More Functions: separate music;choose songs easily Specially Suitable: travel;sports Packaging & Delivery Packaging Detail: neutral color box Delivery Detail: 15-25days Specifications -Fashionable headset; -Waterproof design; -Excellent sound; -Extensible mark up Micro Sd(Max.to 32GB) Product Specifications: Bluetooth version:V2.1+EDR Class IIFrequency:2.4GHz-2.48GHzProfile supported:Headset and handsfree,A2DP and AVRCPChipset:CSROperation range:>10mTalking time: >10 HourMusic playing time:>7HourStand-by time: >200 HourWeight:104g
Brand Name: baoyi Model Number: BY-011S Style: Headband Communication: Wireless Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black Specifications 1. Noise Reduction Stereo Headphone, 2. Professional Hi-Fi Stereo Headphone, 3. Premium design Headphone 4.low MOQ ptional color: black, whiteMixer MP3 / FM functionHigh-fidelity stereo speakers, with heavy bassPieces to support 64 MB memory function - 32 gb TF cardPieces with PC and TV FM transmitterHeadphones built-in high capacity lithium batteries, transmitter built-in lithium battery, chargingComputer headset, wireless distance up to 30 m, a receiver can connect multiple headphones
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: OEM Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: according to your need Delivery Detail: 1~3 days Specifications bluetooth earphone,bluetooth headset,bluetooth headphone It's our best-selling bluetooth headset currently bluetooth earphone,bluetooth headset,bluetooth headphone1)Version 2.0, CSR chipset2)Up to 8 hours talk time and 150 hours standby 3)Operating distance: 10 meters (class 2)4)Charging time: Within 4 hours5)1-touch control to answer/end calls6)Enchanced audio performance7)3-way call conference, join 2 separate calls into conference with headset buttons
Specifications New style!!! Stereo neckband bluetooth headset headphone Fashion design in high quality Support micro SD card New style!!! Stereo neckband bluetooth headset headphone Features:*Portable bluetooth headset, support micro SD card.*Double damping balancing technology, present perfect music.*Unique neckband design for easy carrrying, good choice for using in car or outdoors.*Easy magnetic earphone storage, noise reduction, echo cancellation.*Vibration alert on call.*Apply to iphone, ipad, ipod, mobile phone, tablet computer or any other instrument with bluetooth function. Specifications:Bluetooth version: V2.1+EDRRadio frequency:2.40GHz-2.48GHzTransmit power:Class2Transmission range:10MPower charger:AC input 110-240V DC output 5V, Li-ion battery bulit-inTalking time:up to 8 HoursMusic play time:up to 7 HoursStandby time:up to 220 HoursDimension:167.3mm*135.6mm*16.9mmProduction weight:32 g Packing information:Product size:167.3mm*135
Specifications CW-BH320 Cheapest Bluetooth Headset Bluetooth mono headset with low price CW-BH320 Cheapest Bluetooth Headset Chipset:Terax
Specifications Excellent sound quality with BC6130 V2.1+EDR -Bluetooth headset with digital recording-Records incoming and outgoing calls-Record voice memos-Store multiple recordings, up to 10 minutes-Record, play, skip, delete, and delete all functions-Recording audio indication-Memory full audio indication-Perfect for truckers, restaurants, and on-the-go business functionsSpecifications:-Working range: up to 10m-Bluetooth version: V2.1 + EDR -Blocks 4 times the external noise-Multi-point supported: 2 connections simultaneously-Simple pairing support-Maximum talk time: 6 hours-Maximum standby time: 150 hours-Headset to handset transfer-Comfortable over-the-head profile-Flexible swivel boom microphone for left or right ear-Volume adjustment-Low battery LED and audio indication-Attractive rubber coated designAccessory: -USB charger (optional)-USB charging line-User's guide
Brand Name: no brand Model Number: gxwy1 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: As the pictures Shipping time: 1-3 days Shipping method: UPS,Fedex,DHL,EMS and so on Payment method: T/T,Western Union Waranty: 2 years Sample: Available Packaging & Delivery Packaging Detail: according to your requirement Delivery Detail: 1-3 days Specifications bluetooth earphone 1.High quality and low price 2.OEM logo and package 3.CE/RoHS 4.Soft wearing design bluetooth headphones with high quality Hot Sell Design,Competitive Price Feartures: Bluetooth Version V3.0+EDRExtremely good quality,superior clear voiceHandsfree,compatible with all Bluetooth Devices Such As PS3 & IPHONEHigh Capacity&Rechargeable Lion BatteryAutomatic cennecting functionEnergy saving function,200% longer talk timHandsfree,answer/reject call and call the last coming NO.Voice Dialing,Re-dialing fu
Specifications Portable headphone, wireless headphones, bluetooth headphone 1.Bluetooth 3.0+EDR 2.Hands-free call 3.Portable, foldable Portable headphone, wireless headphones, bluetooth headphone: About the speaker: This headset offers great sound, comfort and mobility. Easily make and receive phone calls with built-in microphone. Quickly control your music with play, stop, fast forward, rewind, and volume buttons. Never run out of power with battery meter on headset. Foldable, adjustable headband is both space saving and comfortable. One charge offers up to 11 hours of music and talk time. Features1, Bluetooth 3.0+EDR2, Capacity display function 3, Bluetooth make hand-free call4, 15 hours power range 5, Intelligent voice prompt 6, Portable design 7, Intelligent voice prompt 8, Perfect stereo electrical design SPEAKER SIZE30MMSPEAKER IMPEDANCE32±15% SPEAKER FREQUENCY RANGE20~20KHzOUTPUT S.P.L93±3db*20mw/30mm