Specifications Bluetooth Bracelet Show caller ID on LED screen /Vibrate when call come /Prevent mobile lose /Apply to all bluetooth mobile. hot selling fashionable Bluetooth vibrating braceletBluetooth Bracelet Show caller ID on LED screen /Vibrate when call come /Prevent mobile lose /Apply to all bluetooth mobile Specifications:* Color: Black and White* Connectors/Ports: Charging port* Buttons/switches: A, B* Bluetooth Version: V2.1* Voltage: 3.6V-4.2V* Current: 130mA* Frequency: 2.4GHz* Input Voltage: 110~240V* Frequency: 50Hz* Input current: 0.15A* Output Voltage: 5.7V* Output current: 600mA* Charge time: 2 hours* Standby time: up to 72 hours* Battery: Lithium Polymer Product Notes:* The Bracelet has a 16cm internal circumference and the plastic is quite rigid.* You have to slide the bracelet down your hand so it’s mainly designed for petite ladies or adolescents.* Hold the B button to turn the device on and off.* Hold the B Button even longer to pair the device for
Brand Name: lg Model Number: hbs 730 Style: Ear Hook Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: 25.6 x 17.6 x 4.8 cm Delivery Detail: 3-7days Specifications Enhanced Audio and Bass Response Noise Reduction/Echo Cancellation Advanced Multipoint Text to Speech LG Tone+ FeaturesTalk/Music Time: Up to 15/10 hoursBluetooth Version: 3.0Long Battery LifeMicrophone MuteaptX CompatibleAudible Battery Status AlertVibrating Call AlertText to SpeechAll Day Comfort Witness the enhanced audio and bass response of the next evolutionary step in the LG TONE family. Tone+ Wireless Stereo Headset delivers a high quality audio experience in stereo sound with the convenience of Bluetooth technology. Music and phone conversations sound better with enhanced audio and bass response that compliments a wide range of music genres. Built in apt-X technology reproduces CD quality sound over
Brand Name: MJ Music/Headphone bluetooth Model Number: MJ-368 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) category: headphone bluetooth microphone: built-in microphone Selling Point: Headphones Bluetooth Wireless DJ TF card: Support 16GB TF Play With FM Radio Function: To Support Campus Radio comfortability: Comfortable wearing for long time 8 Sounds Available: To Cater Different Music Demand OLED Display Screen: To Enjoy Dynamic & Stereo Music battery: Built-in battery Full of power: Be Using 8 Hours Packaging & Delivery Packaging Detail: 61.5x43.5x35.5cm 60 pcs / ctn G.W: 14 KGS N.W: 12.9 KGS Delivery Detail: within 2 days if the headphones are in stock Specifications 2013 latest headphone bluetooth with mp3 Fm radio 1.fashion design 2.support IF/micro SD card 3.OLED display 4.Factory CE 2013 latest headphone bluetooth with mp3 Fm radio : Main features:1, Bluetooth
Brand Name: Listman Model Number: E018 Style: Headband Communication: Wireless Connectors: bluetooth Use: computer,mobile ,mp3,ipad Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black/white/yellow Packaging & Delivery Packaging Detail: Standard export package Delivery Detail: 7 Days Specifications 1.Headset in stereo sound. 2.High quality speaker 3.3..0 adapter 4.CE/ROHS/OEM Wireless bluetooth Headband Stereo Headphone /Stereo Headset /Earphone with microphone for ur computer,mobile .ipad,mp3/4 Specification: ¤ Frequency response range: 18Hz to 22kHz ¤ Driver unit: 10mm ¤ Impedance: 32Ω ¤ Sensitivity: 108+-3DB ¤ Weight:52 g ¤ Stereo plug size: 3.5mm Talk time: up to 18 hours Standby time: up to 250 hours Charging time: about 3 hours Bluetooth range: 10m &
Model Number: [CVUR-G276] Style: Headband Communication: Wireless Connectors: Bluetooth Function: Bluetooth Place of Origin: Guangdong China (Mainland) Specifications Foldable Bluetooth Headphone 1.Unique and convenient folding design 2.Active noise suppression and echo cancellation Rhapsody Bluetooth Headphone with Mic Meet Rhapsody, the new wholesale Wireless Bluetooth Headphone of choice that sounds and looks better than any brand names out there. With its mini foldable style, smart design, and audio-enhancement technology, the Rhapsody Headphone is great for travel and outdoor use while offering absolute wireless freedom and hi-fi sound. How To Get Prices For This Product:- Note down the Chinavasion product code [CVUR-G276]- Click the Alibaba "Contact Now"- Email us with the product codes you're interested in.- We'll reply to you with prices in one working day!---------------------------------------------------------------------------------------
Brand Name: ZT Model Number: HC-BH29 Style: Ear Hook Communication: Wireless Connectors: USB Use: Media player/mobile phone/computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: Ear-hook Bluetooth Headset for Phone PC Tablet PC Brand: ZT EXW Price /PC: $12.20 Color: black MOQ: 100PCS Packing: blister Gurantee: 6 Months Weight /pc: 0.078KGS Size/pc: 13*6*21CM Packaging & Delivery Packaging Detail: packing in blister ,packed in carton Delivery Detail: 3 days after get your full payment Specifications 1.magnetic conduction technology 2.for Iphone/Ipod/HTC /Blackberry/ NOKIA/Samsung/MOTO 3.2 magnetic charging connection Ear-hook Bluetooth Headset for Phone PC Tablet PC Our Advantages: 1. Factory Direct Sale 2. Eleven Years Experience 3. IPEGA & PEGA Famous Brands 4. High-quality Products, Reasonable Prices, Superb Technology,Timely Delivery 5.Hot Selling at the Market What are y
Specifications 1.Clic-on style stereo bluetooth earphone 2.Radio performation :class 2,version 2.0+EDR 3.Suppot A2DP and AVRCP Bluetooth headphone / bluetooth headset Feature :1.Clic-on style stereo bluetooth earphone 2.Radio performation :class 2,version 2.0+EDR3.Suppot A2DP and AVRCP 4.Coverage range :Aprox 10 meters (in open area)5.Four direction button for VOL+,VOL-,previous ,next ,play,pause 6.Superior noise suppression, echo elimination technologe 7.Compatible with any bluetooth enabled mobile phone 8.Talking time :8 hours /standbt time :100 hours /charge time :3 hours Accessories :Gift box ;User manual ;USB cable ;Earphone cable ;Power charger
Specifications Wireless bluetooth headset/mobile Enhancement Miniature,Wireless,Mobility Specifications:1.Bluetooth standard:V2.1 with EDR2.Transmission:Class 23.Working range:10M4.Frequency range:2.4GHz Spectrum5.Speaker output:<90db6.Talking time:4 Hours7.Standby time:100 Hours8.Supporting profiles:Dual headset and handsfreeMay vary due to the user a habit,different models of operation,and mobile phone settings.
Specifications 1.stereo headset 2.time of endurance:about 4hours 3.stand-by time:about 120hours Product features : 1.Bluetooth headset specification:V3.0+EDR 2.Bluetooth version: V3.0,compatible V1.1,V1.0,V1.2,V2.0 3.Support model: A2DP,Headset,Handfree 4.Data of battery: High performance lithium polymer battery 5.Transmission frequency:2.4GHZ 6.stereo headset7.time of endurance:about 4hours8.stand-by time:about 120hours 9.range of application:mobile phone with support bluetooth function,table pc,notebook would you like to know more about Bluetooth headset for other consumer electronics ,we will provide more for you, welcome to consult us....
Brand Name: www.focal-deal.com Model Number: F-BH-051 Style: In-Ear Communication: Wireless Place of Origin: Guangdong China (Mainland) Warranty: 1 year Payment Methods: Western Union,Moneygram,Paypal,Escrow Packaging & Delivery Packaging Detail: Retail Package Delivery Detail: In 1-3 workdays Specifications 1.Fashion Design 2.Fast Delivery 3.Tested before Shipping 4.Factory Price,no MOQ 5.Nice Sale Service High Quality Fashion Style Mini Portable Bluetooth Headset Headphone Specifications Compatible withUniversalTypeBluetooth HeadsetsPart TypeDIY ToolsFeaturesOtherColorBlack, Purple, Assorted ColorsDimensions (cm)2.7×2.5×1.5Weight (kg)0.006
Specifications 1.Stylish bluetooth headphone 2.Stereo excellenct sound 3.Cheap price 4.OEM/ODM order welcomed 5.High quality Fashional bluetooth headphone with UV painting shell Specifications: ItemsCDB-041 Bluetooth headphoneBluetooth VersionV. 2.1/3.0+EDRSupport ProfilesHSP, HFP, A2DP and AVRCPSpeaker DIM:30mmOperating range10 Meters(33fts) CLASS IISpeaker Impedance 32±15%Frequency Range:20~20KHzTalk timeUp to 11hoursMusic timeUp to 250 hoursCharging timeAbout 3.5hoursBatteryRechargeable 380mAH Li-polymer batteryOutput S.P.L:93±3db*20mw/30mmMIC. Dimension:4.5*2.2mmMIC.Sensitivity:-54dB±2dBMIC. Impedance:2.2Input Voltage:DC 5V BY MINI 5PIN USBDimension( mm)123.5*49.5*25mmCompatible support:Apple IPAD I II, I phone 3. 3GS,4,4S, PC/NOTEBOOK(need bluetooth dongle) Features:1.MFB: POWER ON/OFF, PAIRING, PLAY/PAUSE2. PREVIEW and next song control3.VOLUME UP and DOWN control4.PLASTIC and RUBBER materials5.Voice calls and music mode automatically s
Specifications Caller ID. Headphones bluetooth Unique styling Voice prompt. Great sound&Multiple use. Connect 2 divices at the same time. Specification:High Acoustic Fidelity. Elegant Fashion Design. Extremely Competitive Price. Brand New Stereo Bluetooth Headset. Bluetooth VersionV 4.0 with EDRSupported ProfilesHFP, HSP, A2DP, AVRCP, Headset, HeadfreeOperating Distance10mTransmission Powerclass 1Frequency response2.5GHZMusic StreamingYesStandard Bluetooth FeaturesYesVoice answer/reject a callYesStandby Time(hrs)160Talking Time (hrs) 4Charging TimeLess than 3 hoursCharger powerInput 110-240 V AC, Output : 5V DCBatteryBattery Built-in rechargeable li-on polymer battery In the box1*Bluetooth headset1*Earphone1*User Manual1*AC charger &nb
Specifications 1.Support A2DP, AVRCP; 2.Dual Antenna Reception System; 3.Smart connection; 4.Rechargeable battery system; 5.Built-in Mic. Model: L3
Brand Name: suoyana or OEM Model Number: SL-450 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box Delivery Detail: 10-15days Specifications bluetooth headphone s450 1.Built in MP3 player 2.Support TF card 3.Factory price 4.CE,FCC bluetooth headphone s450 Product Features:Sound quality with super bass speakerColorful ear shells nakes it beautifulOEM & ODM is welcomeadjustable head band and comfortable wearing Best for mp3/mp4, CD, PC/laptopwith in line microphone and volume control Specs: Bluetooth Version2.1 with EDROperating Distance10mBatteryBattery Built-in rechargeable li-on polymer batteryTransmission powerclass 2Charging PlugA/C chargerMusic StreamingYesMulti-function Button On/OffYesStandard
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: mpc Model Number: ST-89 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Charging mode: USB and travel Frequency: 2.4GHZ spectrum Standby Time: 180 hours Warranty: 1 year (1 to 1 replacement) Packaging & Delivery Packaging Detail: neutral packing ,Carton Dimensions: 49*36*45(cm) Delivery Detail: 3-5 workig days after received the payment Specifications V2.0 35Pcs/Carton Stereo Bluetooth Headset st-89 wholesale Bluetooth Version: V2.0 Charging mode: USB and travel V2.0 35Pcs/Carton Stereo Bluetooth Headset st-89 wholesaleBluetooth Version: V2.0 Charging mode: USB and travel Bluetooth Version: V2.0Bluetooth Profile Supported: Headset,Handsfree,A2DP and AVRCPChipset:CSRStereo Music with caller ID and Pairs with two Bluetooth mobile phones simultaneouslyOperation range Class2(10m)Feature: With Superior OLED to indicatethe incoming calls,volume,battery and pairing sta
Brand Name: Kube Model Number: Kubesolohd Style: Headband Communication: Wireless Connectors: 3.5mm Use: DJ Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Frequency response: 19-20KHz Impedance: 16ohms Colors: black red Warranty: 12 months Packaging & Delivery Packaging Detail: boxed Delivery Detail: within 3 working days for sample order Specifications bluetooth headphone 1.stereo earphones superior bass 2. revocable cable 3. wonderful music experience 4. outstanding appe 2013 HD Bluetooth bluetooth headphone with Hi-fi Stereo wireless soloing hd , soloing HD headphones , wireless earphone Features:1.stereo earphones with superior bass2. with revocable cable3. wonderful music experience4. With outstanding appearance in the street5. 1 year warranty Technical informations:Frequency response:19-20KHzImpedance:16ohmsImpedance :120db Detailed Pictures: &n
Specifications Unique mono bluetooth headphone Series 1 High quality 2 Low cost 3 CE, FCC, RoHS BQB 4 Patented Products Specifications: Unique mono bluetooth headphone Series 1 High quality 2 Low cost 3 CE, FCC, RoHS BQB 4 Patented Products Main Features:1 High quality2 Low cost 3 CE, FCC, RoHS, BQB approval4 Patented Products5 Supports iPhone,iPad,Skype,MSN 1) Crystal clear and high quality voice for both talking party, noise cancellation, no echo2) Changeable faceplate style (BH006)3) CE (R&TTE, including EMC, LVD AND RF), FCC and RoHS certificate available4) Different packing to choose, OEM logo printing, manual,&
Specifications Product name: Wireless bluetooth headset headphone for PS3 Product name: wireless bluetooth headset headphone for PS3100% Brand New. Bluetooth headset size: 8.6L x 2.3W x 1.5Hcm (Approx)USB size:105cm L (Approx)Weight: 35.5g (Approx)Version: 2.1Chipset: ISSCDistance: Up to 10MFrequency: 2.4-2.48GTalking Time: Up to 6 HrsStandby Time: 60 HrsCharger Time: 2 hrs, USB Cable to PCStunning appearance, comfortable wearingUsing noise reduction and echo suppression technology can be operated with one handVolume control buttonsSafe to use, low radiationDetailed pictures:
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
Brand Name: OEM Model Number: HW-MB-008 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: starnd packing box Delivery Detail: 3-5 working Specifications 1.High quality bluetooth headphones 2.3.5mm bluetooth headphones. 3.Bluetooth phones MOQ : 50PCS. Bulk bluetooth Headphone Brief description: 1. High quality bluetooth headphone jewelry.2. New stylish bluetooth headphone jewelry.3. Flat cable bluetooth headphone jewelry.4. Simple and beautiful design,original and lead fashion earphone5. Various color to match stylist music player earphone Bulk bluetooth Headphone features: It is available to built-in microphone for hands-free calls, up to you! Advanced sound quality Plastic earphone with flat line Bulk bluetooth Headphone Parameters: Products categoryflat cable earphoneItemHW-MBDriver Unit10 mm d
Specifications Sport Bluetooth headset 1)Bluetooth V1.2 compliant for mobile phone or PC 2)Talk Time: Up to 4 hrs 3)Stand-by time:200 hrs High quality Sport Bluetooth headset, Bluetooth V2.1 Specifications:1.sport bluetooth headset 2.wireless 3.used for mobile phone,PC Product Description:100% Brand NewWeight: 118gOperating frequency range:2.402GHz~2.480GHzBluetooth V2.1 compliantRange of Wireless Connection: 10 metersTransmitting Power:Glass2Supports headset & handsfree profilesHeadphone with built-in chargeable 150mAH lithium batteryTalk Time: Up to 4 hoursStand-by time:200 hoursPerfect fusion of practicability and fashionMost fashionable Euramerican design with foldable eyeglass providing infinite fun of wireless hearing Stereo compression ratio
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 High quality low price design Use for Mobile Rich bass Hi-Fi Stereo Fashion design in time ROHS CE FCC Feautures: *Simple fashion design;*High-fidelity speaker,powerful bass.*High quality low price design use for mobile cell phone.*Adjustable, bendable, and pivot table microphone;*Powerful bass-driver neodymium magnet system for excellent stereo voice;*Patent design, smart and exquisite ;*CE and ROHS approved*ISO 9001:2008, ISO 14001:2008 A. Detailed Product Description: 1.wired headphone2.comfortable headband3.Removability headband4.Fashion design with excellent voice 5.ROHS CE REACH. Specifications: Frequency response: 20-20khzSpeaker Dia.: 40mmSensitivity: 120±3dBimpedance: 32Ω±15%ΩPower input: 40mwStandard deviation: 3dB At 600 800 1000 1200HzSound: Hi-Fi StereoPlas
Brand Name: KS Model Number: kse-39 Style: Ear Hook Communication: Wired Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: 1000pcs per ploy bag or as your request. Delivery Detail: About 5-7 days after receiving your payment Specifications 2013 popular best ear plug headphones 1.silicone material 2.usage:headphone earphone 3.factory price cheaply new design ear plug stretchers 1.silicone material 2.usage:headphone earphone 3.factory price 4.comfortable to ear Specification: Material:Silicone Color:Black and yellow,or made as thepantone color you give Usage: For most typle brand headphone earphone.Blueteeth Size:Three sizes,Large,Medium,Small. Hardness:60 and 70 hardness or made as your request. Features: Eco-friendly,anti-dust, good elasticity,recycling,durable,tear-resistance. Test:FDA,LFGB,SGS,ROHS(The text will
Brand Name: wireless bluetooth headphones Model Number: WH-200 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black or at your your request. Item: Stereo Bluetooth Headsets Speaker drivers: 40mm Frequency response: 20Hz-20KHz Sensitivity: 110dB Maximum Output: 115dB Operating Frequency Range: 2.4GHz-2.48GHz Bluetooth transmission distance: 10 meters Bluetooth compliant: V3.0+EDR Skype: wisort-sales7 Packaging & Delivery Packaging Detail: Color paper box for wireless bluetooth headphones. Delivery Detail: 15~20 working days after receiving payment Specifications 1,wireless bluetooth headphone 2,supports microphone 3,Noise cancelling headphone 4,Crystal-clear highs 5,Powerful-deep bass 2013 latest wireless bluetooth headphones with MIC and bluetooth Headset for iPhone iPad MP3 laptops computersThe Latest Stereo Headphone With Crystal Clear Highs Produ
Specifications 1.wireless bluetotoh V3.0 2.with micro phone 3.Rechargable Li-ion Polymer battery built-in 4.support TF card Sport stereo wireless bluetooth headphone for IPAD,IPOD,IPHONE Model:PBL-5008H Material: 1, Earlap use imported ABS material.2, Original imported IC and transistor, ensure high tone quality.3, Apply Taiwan original manufacturers super bass speaker, surge and heartthrob Specifications: 1. bulit-in bluetooth v3.02. Play mp3 music by inserting TF card(optional)3. support card capacity:16GB4. Built-in rechargeable Li-ion battery5. music format support MP3, WAV6. talking time: 10hours, Musice Playing Time:up to 8 hours, standby time 200hours7. Receiving and sending distance: 0-10 meters.8.bulit-in microphone, support handsfree phone call9.support iphone, ipad, ipod, samsung ect.10.Range of frequency:2400.0-2483.5MHz11. Chipset:CSR 12. Battery:260mAh 13. A2DP,Compati
Specifications Sports Stereo Bluetooth Headset Working distance: 10meters Powered with US Plug Wall Charger Flexible and durable material Sports Stereo Bluetooth Headset For Iphone Samsung Galaxy HTC Specification: NameSports Stereo Bluetooth Headset For Iphone Samsung Galaxy HTC Material Flexible and durable material DesignStereo Bluetooth Headset ColorWhitePackagePolybag inner,Carton outerPayment termPaypal,T/T,Western Union,Money Gram,L/C,escrowDeliveryGenerally 5-7 daysShipment wayDHL(3~5days),UPS(5~7days),FEDEX(7-10days),EMS(10-15days), China Airparcel post (15-30days), by sea or by air (bulk goods).Quality controlwe have professional technician to inspect the qulity before shipment in house, orinspect by machine.we welcome your feedbacks and assure
Specifications 1.bluetooth headphones with speakers; 2.foldable&portable design; 3.3 in1 design; 4.PRV/NEXT/Play/Pause/Answer/Stop Calls; Unique Product Features:bluetooth headphones bluetooth headphones bluetooth headphones1. bluetooth headphones with speakers; 2. foldable & portable design; 3. multifunctionality; &nbs
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