Specifications Bluetooth Headset for Motorcyclist with Intercom Function 1.800 meters range 2.Up to 120Km speed 3.Support MP3/4 player Bluetooth Headset for Motorcyclist with Intercom Function Main Function: This device allows bikers to receive GPS voice instructions, communicate with the passenger on the back seat, to conduct calls on their mobile phone and listen to the music on their MP3 player. Last but not least, the device offers biker-to-biker intercom communication. This headset works with any Bluetooth equipped mobile phone. Designed and engineered for Heavy-Duty Performance. Features description: * Can be realized Bluetooth helmet headset with helmet headset 800 meters (Or 800-1000 meters) of direct full-duplex intercom; *Can be achieved automatically switching between bluetooth and cellular phones, intercom calls, stereo music; *Mobile phone first, ca
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
Specifications Main functiCon:When listening to the music,it can change to automatically when a call come. Product description : HD Voice Stereo Bluetooth headset 1.Product Specification:V2.0+EDR 2.Support profiles:Headset,handfree. 3.Talk time:Up to 10 hours 4.Power source:Built in Techargeable Li-ion battery 5.Main function:When listening to the music,it can change to automatically when a call come Technical support : HD Voice Stereo Bluetooth headsetBluetooth modelV2.0+EDRsupport agreementHeadset,handfreetalking time10 hoursstandby time180daysvalid distance10meterscharging timewithin 2hourscharging voltageDC 5vhead size49*15*7mmhead weight10gcolorany colorwhole suit weight9.2g
Brand Name: OEM&OEM Model Number: NS3039 100% brand new bluetooth headset for play station3 Style: Headband Communication: Wireless Connectors: Bluetooth Use: Game Player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Name: 100% brand new bluetooth headset for play station3 Color: Black Bluetooth versions: 2.1 Transmission distance: 10M Weigth: 0.42KG Charge hours: 2-3 hours Packaging & Delivery Packaging Detail: Blister card colorbox Bluetooth headset for ps3 in back Delivery Detail: 10-15 working days Specifications 100% brand new bluetooth headset for play station3 1.Bluetooth versions V2.1 2.Factory price! High Quality Bluetooth headset for ps3 in backfor PS3 Bluetooth Headset, Headwearing.for ps3 headset,for ps3 headphone,for ps3 earphone,for ps3 Headset headphone earphoneBluetooth Headset designed specifically for PS3HQ mode enables "Voice Command" and "Voice Animation" features in compatible gamesWorks with
Brand Name: BLUETIGER Model Number: SK-BH-M39 Style: Headband,Head Wearing Connectors: Micro USB Use: Mobile Phone and Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Certification: BQB,FCC,CE,ROHS Packaging & Delivery Packaging Detail: blister card Delivery Detail: 1000pcs 7-10 days Specifications Stereo Bluetooth Headphone V4.0 BH-M39 Blocks 4 times the external noise,Crystal clear sound with DSP,Support A2DP,AVRC Stereo Bluetooth Headphone V4.0 BH-M39 Compatible with all bluetooth cell phones,it beautifully works in office.Enjoy fun of wireless via an bluetooth dongle ,it works well with SKYPE,MSN,and VoIP.Crystal clear sound can thoroughly release your hands to enjoy your work! Features:1). Blocks 4 times the external noise2). Crystal clear sound with DSP3). Support A2DP,AVRCP,headset,handfree profile5). Redial the last call ,Reject call.Volume adjustable.6). Faster connecting,clear sound,anti-interference.7). Listen
Specifications 1.Premium Styling 2.Feather Weight 3.2.1+VDR 4 Bluetooth Version 4.Wireless and convinient 5.Super strong bass Say goodbye to cumbersome cords and listen to your music in style with the TB-101 Bluetooth® wireless stereo headset.The perfect companion to your Bluetooth-enabled device, this lightweight headset features a built-in microphone with echo cancellation for crystal-clear audio and clear voice technology for improved voice reception.Offering up to 11 hours of talk time and music listening, this headset can be conveniently charged through a standard USB connection (cord included). Headphone Type : Open Air, dynamicMicrophone : Yes (Built-in microphone in the receiver)Remote Control : Play, Stop, Pause, FF, FRDriver Unit: Φ40mmImpedance :32ohms Sensitivity:104±2dB S.P.L.at1KHzFrequency Response:20Hz-20,000HzBattery Type : Built-in Lithium ion rechargeable battery Battery Charging (Approx) : 3 Hours Remote Control
Brand Name: OEM Model Number: EPC_CPA_702 Style: In-Ear Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone, Stereo High Quality Voice Bluetooth Headset Place of Origin: Guangdong China (Mainland) Bluetooth Version: Bluetooth V3.0 + EDR Approved: CE / FCC Packaging & Delivery Packaging Detail: export carton Delivery Detail: 1-10days Specifications Enjoy the wireless freedom of headphones that allows you to make and take phone calls from any bluetooth device Brand: OricoreMain Features:- Fashion and light weight design and the earl-hook can be adjusted to any angle to make you more comfortable.- Works as a handsfree headset for any bluetooth mobile phones, laptops and MP3.- Noise cancelling technology provides crystal clear sound quality even in noise environment.- Safe to use low radiation.- iPhone battery capacity indication.- Can be used with two bluetooth device at the same time.- High quality A2DP nondestructive stereo, more real and pored ove
Specifications 1,Radio-communication technology 2,Talk time:up to 11 hours 3,Low factroy price 4,fashionable 5,10 meters distance 10meter LED bluetooth headphone and 6color fashionable Colorful fashionable stereo Bluetooth headset SPECIFICATIONS Model noBH-03Ver.Bluetooth V3.0+EDRBluetooth ProfilesHSP,HFP,A2DP,AVRCPEffective Range10MetersMusic Time10 HoursTalk Time11HoursStandby TimeUp to 250 HoursIuputDC : 5V/180mAhCharge Time2.5 HourDimensions162*153.5*32mm About BH-02BH-02is a stereo headsetwith Bluetooth technology. It supports the following Bluetooth profiles:HSP —— Headset ProfileHFP —— Hands-free ProfileA2DP—— Advanced Audio Distribution ProfileAVRCP——Audio/Video Remote Control Profile Chargi
Specifications headset can play out clear, detailed but powerful voice. For Asian fans to provide the highest quality hearing enjoyment Soul by Ludacris is composed of the United States of America glamor award winning singerLudacris founded the professional brand headphones, from development to production. Ludacris spent a total of 3years to completion.The purpose is to the headset can play out clear, detailed but powerful voice. For Asian fans to provide the highest quality hearing enjoyment. Accessories:SOUL universal no microphone headset line 1,SOUL Apple dedicated controlData line 1Earphone portable bag1Wipe clean cloth 13.5mm / 6.35mm adapter1SOUL English manual 1edition
Specifications 1.Communication:Wireless 2.Use:Mobile Phone 3.Function:Bluetooth,Noise Cancelling 4.Type:Bluetooth clip-on stereo headset Specifications1. CSR chip 2. connect 2 phones 1 time 3. play music 4. work for iphone, sumsung etcFashionable 2013 mini mobile phone stereo bluetooth headset for iphone Why choose us?--1. OEM orders are welcome--2. Wholesale,Retail order acceptable.--3. Mixed order/color acceptable.--4. Fast delivery time--5. Sample available.--6. Shipment by DHL,EMS,UPS,FEDEX,China/HK post airmail to all over the world--7. Drop shipping offered.--8. Payment accept T/T, Paypal, Western Union, Escrow etc. Main Specifications: Name: Multimedia bluetooth stereo headsetType: Bluetooth clip-on stereo headset 1. Travel charger: DC 5v 220mA2. USB charger USB +5V3. Battery Voltage: 3.7V high capability rechargeable lithium polymer batter4. product standard, class 2 Operation5. Talk time: 5.5 hours6. Standby tim
Brand Name: DGS Model Number: EBE29 Style: Ear Hook Communication: Wireless Connectors: USB Use: For PS3 Online Game Function: Bluetooth Place of Origin: Guangdong China (Mainland) Powered By: Mini USB Cable Size: 10.5(L) x 5.8(W)cm Weight: 15g Warranty: 3 Months Conditon: 100% brand new Carrier Selection: DHL/ TNT/ FEDEX/ UPS/ EMS/ HKPOST Welcome: Wholesale, Drop ship. Trade Manage No.: hk1000537965 Packaging & Delivery Packaging Detail: Retail Packing Optional Delivery Detail: Around 3-5 Business Days Specifications Wireless Bluetooth Headset For PS3 Game 1.20-degree variable mic arm 2.Provides perfect sound quality 3.Volume adjustable New Wireless Earpiece Bluetooth Headset For PS3 Online Game Product Specifications: Color: BlackPowered By: Mini USB CableSize: 10.5(L) x 5.8(W)cmWeight: 15gCompatible For: PS3A must item for PS3 game usersSmall design for chatting with people onlineBlocks the external noise keep your conversation clearProvides perfect sound qual
Specifications Bluetooth Headphone 1.Bluetooth specification: 3.0 + EDR Class 2 2.Foldable design 3.Music playing time: up to 7 hours Black Foldable High Quality Music Stereo Bluetooth Headphone Feature:1.Foldable design, be accompany with you everywhere.2.Extreme comfort from adjustable headband and earplug3.Wireless connect with Bluetooth enable cell phone or PC for hands free communication4.Bluetooth specification: 3.0 + EDR Class 25.Bluetooth profiles supported: HSP, HFP 1.5, A2DP1.2 and AVRCP1.06.Operating distance: 10 meters Class 27.Built-in rechargeable battery : DC: 3.7V/200mAh 8.Talk time: 6 hours9.Music playing time: up to 7 hours10.Standby time: up to 300 hours11.
Brand Name: netphone Model Number: DK118-1000,DK118-1000 bluetooth headphones Style: Headband Communication: Wireless Connectors: Other Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) wireless: bluetooth distance: 1000m work for: motocycle,bicycle,mp4,gps work speed: 120km/hour talking time: up to 7 hours waterproof: yes OEM: yes Certificate: CE,FCC,Rohs, Patent Stock: 1000pcs Packaging & Delivery Packaging Detail: Colorful gift box Package Dimension: 215*160*60mm Package Weight:0.36kg PCS/CTN:30PCS Carton measure:440*490*290mm G.W/CTN:11.6kg Delivery Detail: stock for 1000pcs Specifications 1> 1000m Wireless Bluetooth Headphones 2> work speed reach to 120km/hour 3> up to 7 hours talking time 4>moto walkie talkie OEM 1000m Wireless Walkie Talkie Wireless Bluetooth Headphones Main Features:Maximum talking range 100/500/1000 meters between two riders, real two- way wireless communication between t
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 2013 new type wireless bluetooth headset have faddish and cool colors memory pairing + echo cancellation stereo high quality 2013 new type wireless bluetooth headset /faddish and cool iphone headsetProduct features:1) bluetooth headset, head type wireless bluetooth headset, high quality, stereo.2 memory pairing /echo cancellation, music/speech automatic switching. Can be pairing and connection to all have bluetooth phone 3) clear dialogue, anytime, anywhere, enjoy your wireless free! Super easy super convenient feeling! Super quality ultra smooth enjoy!
Brand Name: LGL Model Number: BT-202 Style: In-Ear Communication: Wireless Connectors: USB Use: listen music and on/off call,promotional gifts Function: Bluetooth Place of Origin: Guangdong China (Mainland) Bluetooth type: Bluetooth 2.1 receiver MOQ: 500pcs Frequency Response: 20HZ--20KHZ Accessories: USB Cable for charge Bluetooth: 2.0/2.1 Transmission distance: 10 Meter Cetificates: CE&RoHS Sound time: 6H to 8H Packaging & Delivery Packaging Detail: plastic bag PVC bag gift box customized packing is available Delivery Detail: depend on QTY ,usually 25-35 days Specifications Earmuff bluetooth headphone 2013 high quality new design -Built in speaker -In choice of colors -Wholesale headset Earmuff bluetooth headphone 2013 high quality new designModel : BT-202 1.Blue/Red LED lndicating.2.Sound time: 6H to 8H.3.Bluetooth 2.0/2.14. CE&RoHS 5.Many Style offered Transmission distance : 10 Meter specification:-Bluetooth type : Bluetooth 2.1 receiver-Transmission distan
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
Brand Name: Commonly Style: Ear Hook Communication: Wireless Connectors: 6.3mm Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) MOQ: 100 QC: test one by one Quality: OEM original Quantity: in stock Model: Commonly Color: Black Shipment: Fedex/DHL/UPS/EMS Payment: T/T,Western union,Money Gram,Paypal Warranty: 1 year Website: www.ggit-international.com Packaging & Delivery Packaging Detail: OPP polybag,Blister,Color box,Gift box.(As request) Delivery Detail: 7-15 days after the payment Specifications 1.Convenient Wireless Bluetooth Headset Handfree 2.Fast delivery 3.100% perfect fit 4.Good service 5.High quality Convenient Wireless Bluetooth Headset Handfree Color:Black Product feature: 1.materia and appearance:2013 new bluetooth handfree,suitable for driving and business time.2.quality control:all products tested one by one before shipment3.price:resonable and compititive4.stoc
Specifications It displays caller name and caller ID, very convenient Automatically echo processing Mobile Phone Dialer Dial-Up Stereo Bluetooth Headset Headphone
Specifications 2012 new design bluetooth headphone 1.Supports Headset & Handsfree 2.Bluetooth V3.0+EDR Class 2 3.Range: 10 meters 4.CE,Rohs 2012 new design bluetooth headphone Specification: Operating frequency range2.40GHz-2.48GHzBluetoothV3.0+EDR Class 2Headset & HandsfreeSupportRange of wireless connection10 metersBatteryBuilt-in chargeable 200mAH lithiumTalk time6 hoursStand-by time250 hours CertificationCE&ROHSMicrophone Yes Photo : Package:30pcs/ctncarton size:38.5*38*22cmbox size:17.2*4.0*12cmN.W.:5kg G.W.:6kg20'Container=781cartons=23430pcs
Brand Name: Jedel Model Number: JD-H2100 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) COLRO: BLACK , WHITE, PINK , BLU Packaging & Delivery Packaging Detail: gift box Delivery Detail: 20~25days Specifications sport SD card headphone with FM radio 1.nice design with good quality 2.Sound processor enhances musical and call clarity Description:Sports Running Wireless Handsfree Headset Headphone Earphone Micro SD TF Card Slot MP3 Music PlayerThe wire free head-loop Mp3 player is especially designed for sport lovers. Incorporating the behind-the-neck, over-the-ears design, this headset is extremely comfortable and secure for the most users: bicyclist, runners, joggers, walkers etc.With its fashinable appearance and built-in MP3(&WMA) player with HIFI Stereo earphones (soud output up till 85dB), you can always enjoy high quality music.Features:A stylish, great-sounding headphon
Brand Name: Songman Model Number: BT07 R Style: Headband Communication: Wireless Connectors: Bluetooth Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: portable media players with bluetooth Color: different color options certificates: CE, RoHS, FCC, BQB Ear pads: ultra-soft ear pads Functions: Bluetooth, FM Radio, TF Card, Aux In Distance: 10 merters Battery: Lithium battery Working time: 8 hours Adaptor plug: stereo 3.5mm AUX IN Package: giftbox Packaging & Delivery Packaging Detail: Giftbox, window box, blister box Delivery Detail: 30 days Specifications 1. Stereo bluetooth headphone with handsfree function 2. With soft silicone handband and shinning earcovers 3. 8-hour working Features: 1.Easy to use, built-in microphone2.with or without FM radio, TF card slot3.Built-in 350am lithium battery, connect USB cable to charge Bluetooth headphones can work with bluetooth enabled devices such as mobile phone, Laptop, PC, &am
Brand Name: K-mate Model Number: BTH059 Style: Headband Communication: Wireless Function: Bluetooth Place of Origin: Guangdong China (Mainland) Specifications 1.Lightweight Bluetooth headphone with adjustable headband 2.It can be used to listen music or answer call Lightweight Bluetooth headphone with adjustable headband Key specifications:Bluetooth specification: V2.1+EDRBluetooth profiles supported: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 300 mAH Li-polymer batteryTalk time: Up to 11 hoursMusic playing time: Up to 10 hoursStandby time: Up to 300hoursCharging time: About 3 hoursCharge input voltage: DC 5VDimensions: 157×152×42mmWeight: 85.4 g Special features:Extreme comfort from adjustable head hand and earplug.Embedded microphone for hands-free conversation from Bluetooth-enabled mobile phones.Enjoy stereo music wirelessly from Bluetooth A2DP devices.Pause the music & Play back automatically when rece
Specifications Bluetooth Headphone 1. Operation Distance: Within 10m 2. Frequency range: 2.4020-2.480GHz Bluetooth Headphone 1. Sports-style headphone, it's specially for your use when you are doing sports. 2. Transmitter Power: Class 23. Operation Distance: Within 10m4. Frequency range: 2.4020-2.480GHz5. Embedded rechargeable Li-batteries: 300mAh6. Charger output Spec.: DC 5.0V(300mA)7. Normal charging time: less than or equal 3 hrs8. Calling time: greater than or equal 10hrs9. Music Time: greater than or equal 6hrs10. Standby time: greater than or equal 135hrs11. Headset Size: 54X47X16 mm12. Weight: 40g±2 g13. Certificate: CE / RoHS / Bluetooth Relational Products Certificate Exhibition (2012 Taipei Computex) &nb
Brand Name: AROCCOM Model Number: ELF-BH01 Style: Ear Hook Communication: Wireless Connectors: Bluetooth Use: mobile phone,tablets with call function Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Color: Black Pattern: Ear-hooking Pattern Weight: 8.9g Battery Capacity: 80mA Packaging & Delivery Packaging Detail: 1. Neutral Packing 2. OEM Packing Delivery Detail: About 20 days after sample approval Specifications High sensitivity,low power consumption,suitable for smart phones,tablets with call function Battery:80mA 8.9g soft materials bluetooth headphone,bluetooth earphone for iphone5 for Smart Phone and Tablets with call function Highlights: Compact, portable and fashionable design, easy to carry A Bluetooth headset supports 2 mobile phones at the same time , the housing of headset is plastic with rubber painting CSR V2.1+EDR Bluetooth chipset, Lithium polymer batteryHigh sensitivity, low power co
Brand Name: SKY Model Number: SK-008 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) 6P: YES 16P: YES CE: YES Color: Black and White Usage: mobile phone ROHS: YES Support: customers' logo print and color available Package: blister or OEM customers' request Distortion: 2% Sensirivity: -58dB±3dB Packaging & Delivery Packaging Detail: 1pc/Blister Package or Color Box, Common Export Carton Delivery Detail: 20-25 days after confirming all Specifications Fashional Shape Bluetooth Headphone 1. Pretty cool appearance 2. CE & ROSH 3. Best price Fashional Shape Bluetooth Headphone Features:1) Special for all audio equipment2) Colors: Depends on the costomer's demand3) OEM BRAND4) Good sound quality5) High quality stereo earphones for MP3 / 
Specifications 1.stereo bluetooth headphones 2.good sound quality 3.Rechargeble battery 4.CE,FCC,RoHS 5.one year warranty 2012 Fashionable and modern stereo bluetooth headphones Description: -USB wireless transmitter,universal compatible to PC Windows 2000/XP/Vista/7.0 -Easy installation, plug and play, pairing automatically -High-quality, uncompressed stereo audio, excellent for PC games, music & movies applications,can be used with a mobile-phone or play-station or a hifi-system at home to listen to music.-Opional Adapters for TV/IPod/MP3 and other audio applications -External microphne, free chat styles for PC common calling applications such as SKYPE/Yahoo!...ect. -Volume,play,pause controls -Stylish desigh DIY decorative patterns -Rechargable Li-ion Polymer battery built-in -Wireless Connection Distance: up to 10 m (33 feet) -Working time: up to 9 hours -Packing: Clamshell Blister or Giftbox
Specifications 1. Handfree headphone 2. Easy to carry 3. Listen to the music without the wire cable connect with the mobile Features: 1)Operating frequency range: 2.40GHz-2.48GHz2)Bluetooth V2.1compliant3)Transmitting power: Glass24)Supports Headset & Handsfree Profiles5)Range of wireless connection: 10 meters6)Built-in chargeable 200mAH lithium battery7)Talk time: 8hours; 8)Stand-by time: 300 hours VCOM Brand: History:Established in 1994. hed in 1994. Group:3 Sales Company in Guangzhou, 2 Factories in Dongguan, 1 Factory in Jiangxi Province. Power:Hundreds of employees, annual worth more than 40,000,000usd. Tenet: Bring Value to Customers, Bring Value to employees, Bring Value to the world. Goal: To be a Top Famous Global Brand Feature: Frequency:8-30KHz Sensitivity: 105db±3db Impedance:40Ω &n
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
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