Brand Name: Phonemason Model Number: PH.EP-120006 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: box,blister,crystal Delivery Detail: 3-10days Specifications bluetooth headset 1.IN STOCK 2.Multi-function 3.Support OEM 4.Fast delivery bluetooth headset *Multipoint Functions*Bluetooth version: V2.1 + EDR*Transmission range: 10 meters*Bluetooth mode, hands-free headsetmode, music play mode.*Wireless frequency: 2.4 GHz*Chip: CSR*The charger: AV input 110 -240 VDC output 5 V*Listening time up to 5.5 hours*Talking time up to 6 hours*Standby time up to 110 hours
Specifications 1.10M Mono Bluetooth Headphone 2.V2.0+EDR version 3.3H about talking time 4.85H about Standby Time 5.Hands Free/Headset Features and function:Mono Bluetooth HeadsetVersion: V2.0+EDRMode: Hands Free/HeadsetFrequency:2.4GHzTransmit Power: Class 2Range: 10MPower: AC Input 110-240V, DC Output 5VTalking Time: 3H aboutStandby Time: 85H aboutDimmension: 35*17*9mmProduct Weight: 6g about Pictures:
Specifications 1. stereo headphone with bluetooth 2. bluetooth headphone with mp3 player 3. support 16GB TF card 4. sport style,easy to wear Sport FM Radio Wireless Stereo Bluetooth Headphone with TF Card MP3 Playing Function Specifications1. stereo earphone with bluetooth2. bluetooth earphone with mp3 player3. support 16GB TF card4. sport style, easy to wear MP3 + volume control.Bluetooth master keys.Key functionsoperatingsound state of the instructionsAccording to three seconds longer boot pairing blue light. LongBoot length by 2 seconds the blue lights flashLong by 3 seconds off the blue lights outClick to connect a short blue light flash According to the two short weight dial voice promptA short&
Specifications 1.NEW bluetooth stereo headset 2.Bluetooth 2.1+EDR 3.FCC,CE,BQB,RoHS 4.Available range:10m 5.A2DP,AVRCP Specifications of bluetooth: Bluetooth VersionV2.1 EDRTypeStereo headphone with internal micOperation Distance10mRange of Frequency2.4 to 2.4835GHz ISM bandSensitivity85dBPC InterfaceUSB2.0Music FormatMP3 at WMAStandby timeup to 200hoursMusic Playing Time10 hoursNormal Charging TimeWithin 3 hoursBattery3.7V 300mA Rechargeable Li-PolymerPowerImput AC 100-240V, output DC 5V 300mARF Output Power-6dBm to 4dBmOperating temperature-10’C to +55’CSupportsBluetooth Headset, Handsfree,HFP,HSP, A2DP and AVRCP Profiles Features of bluetooth: 1,Top Quality Blutooth Headset with Microphone.2.High Defition bluetooth headset with impressive bass sound.3.Can be easily connected to iphone,ipad,PC,cellphones e
Brand Name: cect Model Number: CGZG8112 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Specifications Headphone remote control +/-,On/Off,Play/Pause,Previous/Next Wireless connect with PC USB adapter can plug and play Wireless 2.4G stereo bluetooth headphone for PC Wireless listening stereo music in PC Realize remote two-way communication via international network With Hi-Fi sound like CD sound effect Remote control music playing state ( Like remote control of music playing, stop, last/next choose, and volume+/-) High fidelity, omini-directional design of microphone, with clear voice, no echo. USB adapter can plug and
Brand Name: baoyi Model Number: BY-010S 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 Handswriting pen bluetooth headset The BT Mini Phone is a handy handset that pairs up with your mobile, so that you ca Handswriting pen bluetooth headset
Specifications Ear-hook echo and noise cancellation bluetooth headset Dual-microphone CVC v5.0 achieves over 30dB dynamic noise suppression, products Description: Ear-hook echo and noise cancellation bluetooth headset KEY FEATURES:Dual-microphone CVC v5.0 achieves over 30dB dynamic noise suppression,highquality sound;echo and noise cancellation;Packet/bit error correction technology to improve audio quality due to airinterference;Operating range: 10M SPECIFICATION:Bluetooth Specification:v3.0+EDR class 2;Support:HFP V1.5 and HSP V1.1 RF Frequency Range:2.402-2.480GHZ, 2.4G ISM band;Radio Performance: Receive Sensitivity of -90dBm,TX Power Max 4dBm;Frequency Response: 20 Hz - 20 KHz,Very high Signal to Noise Ratio(SNR):95 Db,Total Harmonic Distortion(THD):0.1%;3 Button design : MFB,VOL+,VOL-;LED Indicator Status : Blue, Red;Battery:Recharge
Specifications 1.Micro bluetooth headphone 3.High quality with best price 4.Quick&safe delivery 5.OEM servi micro bluetooth headphone Features :Specifications :1st: Hi-fi Folding MP3 Headphone♥ Play high quality MP3 from TF cards 2nd: FM Radio & Also Support Campus Radio♥ Hi-Fi sound3rd:Beautiful packing and headphone♥ Rechargeable lithium battery inside4th:Convenient to wear♥ Folding Card Read MP3 Headphone 5th:Support 16GB TF Card♥Lower bass2013 Hi-fi Folding MP3 Heaset:♥ Line in & out functionModelMJ-8800♥ Memory functionColorBlue.Yellow. Red .Black.White♥ To Adopt Hi-fi StereoStyleCard Read MP3 headphone♥To Support Campus RadioN
Specifications Fashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 1.Bluetooth version:V2.1,Class II Fashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 ModelFashion Wireless Stereo Earmuff Bluetooth Headphone With Microphone BH18 ColorBlack+Silver/Black+RedBluetooth versionV2.1,Class IISupportHeadset,Headsfree,A2DP,AVRCPFrequency Band2.4GHz to 2.4835GHz,ISM BandPower Supply5V DC,100 to 240V AC adapterStandby time1200HoursTalk time54HoursUsedFor Tablet/Mobile phoneOEMWelcome
Brand Name: ever-plus Model Number: EBH-01 Style: Headband Communication: Wireless Connectors: USB Use: Computer Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: white,black,pink Specifications bluetooth headphone great stereo sound; noise reduction function; call and music automatically switch; OEM welcome. Stereo Bluetooth Headphone *Great stereo sound *Adjustable band and rotating earpads for comfortable fit *2.0+EDR version &n
Style: In-Ear,In-ear Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications Bluetooth Headsets Bluetooth HeadsetsOffer Group:Offer Post Time:2008-05-13Expiration Date:2008-12-28Details:Bluetooth Earphone/ Bluetooth Headset/ Wireless Earphone(KD-BH008): Bluetooth version: V1.2 Operating Distance: 10 Metres Weight: 10 grams Range of Frequency: 2.4GHz Spectrum Dimension: 43mm X 23mm X13mm Talk time: 8 hours talk-time Standby time: 200 hours Nominal charging time: Within 3 hours Ear compatibility - Adjustable for both left and right ear. Rechargeable Li-ion ploymer battery.
Brand Name: Baojiang Model Number: BJHS-009 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Any color Transmission distance: 10M Talking time: 6H any logo: Available Bluetooth Version: 2.1+EDR Microphone: yes Package: Blister Box, Hands free: yes Delivery: 10-15days Operating current: 35mA Packaging & Delivery Packaging Detail: Blister box Delivery Detail: 7-10 days Specifications 1. New Bluetooth headphone for mobile phone 2. OEM&ODM is welcomed 3. High quality with ABS+PVC 4. Pass CE, Rohs Specification Frequency range2.4GHz-2.48GHzTransmission powerClass 2Transmission distance10MOperating voltage3.6VOperating current35mAStandby current2mACharger powerInput 100~240V AC, Output 5V DCWorking temperature-20°C~60°CNo working temperature-20°C~60°CCharging temperature0°C~45°CCharging time2 hoursTalking time6 hoursStandby time120 ho
Specifications 1) Bluetooth: version 2.1+EDR 2) Frequency: 2.4 GHz 3) Factory:Yes 2013 Newest and Fashion style Bluetooth Headphone BH-K009 Features: 1). Blocks 4 times the external noise 2). Multi-point supported: 2 connections simultaneously3). Support headset,handfree profile 5). Redial the last call ,Reject call.Volume adjustable. 6). Faster connecting, clear sound, anti-interference 7). Simple pairing support 8). Flexible swivel boom microphone for left or right ear9). On-line chat through bluetooth wireless transmitter 10).Over-the-head Design Specification: 1) Bluetooth protocol: version 2.1+EDR 2) Frequency: 2.4 GHz 3) Bluetoot
Specifications 1. Headphone; 2. High Quality; 3. Dropship, OEM; 4. New Arrival; 5. Factory Price. High Quality YP-701 Stereo Bluetooth Headphone Wireless Headphone with MIC Support MP3 FM TF Card FeaturesVersion:bluetooth2.1+EDR;Distance:10M;Range of frequency:2.4-2.4835GHz ISM band;Sensitivity:-85dB.PC interface:USB 2.0Music format:MPA3/WMATF card support:128M-32GBFM frequency response:87.5-108MHzRechargeable lithium battery:350mAh.SpecificationsType:stereo headphone with MICSpeaker:40mmSensitivity:115dB S.P.L at 1KHZImpedance:32ΩFrequency response:20HZ-20KHZRated Power:40mWPower capacity:100mWCable length:1.5mMicrophone unit:4.5mm*2mm -58dB+-3dBPlug type:3.5mm.package include: headphone, cable, user manual, Europe Plug Adapter
Brand Name: VASUN Model Number: VASUN-BT-111F Style: In-Ear Communication: Wireless Connectors: wireless Use: Mobile Phone Function: Bluetooth Place of Origin: China (Mainland) Color: white,Black Packaging & Delivery Packaging Detail: *Each box: 100pcs *Outer package size: 53*34*46.5 CM *N.W: 8.00KG *G.W: 9.0KG Delivery Detail: One week Specifications 2013 Latest Ear hook bluetooth headset wireless 1,fashion style,competitive price 2.bluetooth headset 3.accept oem 2013 Latest Ear hook bluetooth headset wireless 1,fashion style,competitive price 2.bluetooth headset 3.accept oem Features: It can connect with 2 devices with bluetooth function simultaneously;with receive/hang up/reject a call,voice dialing,tail number redial,music play,volume control,iPhone show headset left electricity functions,use advanced digital signal processing(DSP) technology. *Version: Bluetooth V3.0+EDR*Support:A2DP,Headset,Hands-stereo*Talking time:3-4H*Standby ti
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
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 bluetooth headphone, with nice data transit high quality stereo sound performance Wearing-type headphone Speaker dimensions: 40mmFrequency Range: 20-20KHZ Impedance: 32Power : 30mW Total harmonic distortion: less than 5%Apply to computer Power supply :lithim battery Working Consumption: 48mA Working hour: 4-5charge time :about 25 minutes Data cable:USB transfer to DC cableTransmitter Specifications:Working power supply:5V Working consumption : 50mAUSB Port Dimenstions: 54*19.3*7mmIn-built Micphone Dimenstions: Φ6*3mmFranquency : 100-8KHZ Sensitivity: -52dB
Brand Name: OEM Model Number: BSH32 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: Multi colors avaiable Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 7-10days Specifications Bluetooth headphone 1. Stereo, bluetooth v2.1+EDR, class 2 2. Support A2DP and AVRCP 3. Comfortable design Stereo bluetooth headphone: * Supports Bluetooth A2DP, AVRCP, and HS/HF profiles * Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc * Noise signal ratio: 95Db, high quality stereo sound.* 3.5mm audio jack for your own favorite headphone * Features Software & CVC echo/noise cancellation for reducing noise* Remote controls on the headset allow you to play, skip and select you music track. * Up to 7.5 hours playback time* Bluetooth Specification v2.1+EDR class 2 * The latest version of A2DP1.2 and AVRCP1.0 profiles
Specifications High quality stereo sound smallest wireless headphone with FM radio for mp3 player Fashionable design wireless Packaging & Delivery Packaging Detail:colour box or blister packingDelivery Detail:1-3 days Packaging Detail:colour box or blister packingDelivery Detail:1-3 days Specifications * Stereo mp3 FM radio wireless headphone *Factory supply directly*Fast delivery&good quality *Small order is ok *CE&ROHSHigh quality stereo sound smallest wireless headphone with FM radio for mp3 player Fashionable design wireless stereo headphone specification: *MP3 player paly music in TF card, listen FM radio from 76MHz-108MHz, USB charge •MP3 player paly music in TF card,•Listen FM radio from 76MHz-108MHz •USB charge •Noise cancelling •Three colour for choose •Audio mode: compatible with MP3, WMA, WAV formats •Frequency range of receiver: 76~108MHz •S/N ratio: >90dB •THD&l
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
Specifications 1.Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)2.Button design: MFB, VOL+, VOL-, FWD, REV 3.LED Indicator SPECIFICATION:1.Correspond With V2.1+EDR2.Support:HSP,HFP,A2DP,AVRCP3.Frequency range:2.4026GHz-2.480GHz4.Transmitting power:Class25.Working Distance Range:10m6.Charge Time:≤3.5 Hours7.Talk Time:≥12 Hours8.Musice Time:≥9.5 Hours9.Standby Time:≥165 Hours FEATURES:High quality speaker units for excellent sound experienceHigh quality leather earcapAdjustable headband for comfortable useWith volume controlExternal microphone optional. SERVES:1: Sample availability and policywe can provide free samples to you before your order.2: Guarantees:We assure the quality of your order same as the samples and delivery strictly follows the agreement.3. SupportAny inquiry will be replied by our professional staff. we will assist you shipment, insurance and others documents such as Form A, inspection certificate etc.4. after sales serviceWe wi
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 Multi-point technology bluetooth headset BH29 Bluetooth Echo and Noise Cancellation Headset Dual-Microphone New arrival Multi-point technology bluetooth headset headphone BH29 Feature :Dual-Microphone CVC V5.0, Echo and Noise Cancellation, Packet/bit Error Correction TechnologyBluetooth Specification V2.1+EDR class 2 Supports connecting to two phones simultaneously Rechargeable 80mAh Li-Polymer Battery Normal charging time: Max 1.5 hours Talk time: Up to 4.5 HoursStandby time: Up to 120 hours Specification * Bluetooth Specification v2.1+EDR class 2 * Multi-point technology, CSR BC6150 chip* HFP V1.5 and HSP v1.1 support* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band* Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm* Frequency Response: 20Hz- 20kHz, Very high Signal to Noise Ratio (SNR): 95Db,Total Harmonic Distortion(THD): 0.1%* 3 Buttons design: MFB, VOL+, VOL-* LED Indicator Status: Blue, Red* Rechargeable 80mAh Li-
Specifications Wireless Headset Bluetooth Headset 1.Comfortable design 2.Accept OEM 3.Small And Nice 4.Multiple functions Wireless Headset Bluetooth Headset|Headset|wired bluetooth headset| bluetooth headset 1.Comfortable design. 2.Accept OEM. 3.Small And Nice. 4.Multiple functions. 5.Bluetootch version:3.0. 6.Supported bluetootch profiles.headset, hands-free,advanced audio Distribution,Audio/video remote control. 7.Talk time: up to 15 hours. 8.Music time; up to hours. 9.Standby time: up to 15days. Item NameWireless Headset Bluetooth HeadsetStyleNeckbandBluetootch versionBluetootch versionCommunicationWirelessConnectors2.1+EDRFunctionBluetooth,Waterproof,MicrophoneMOQ15 days
Brand Name: OEM Model Number: CW-BH320 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Type: Bluetooth headset Packaging & Delivery Packaging Detail: 100pcs/ctn Delivery Detail: 1-3 working day Specifications Super thin bluetooth headset good quality and hot sale! bluetooth headset v2.0+EDR,Class II Super thin bluetooth headset The cheapest Bluetooth HeadsetSteady quality,the best-selling bluetooth headsetChipset:Terax Bluetooth V2.0,class2,range:10meters Support handsfree and headset profiles With removable ear-hook With super bright LED indicator lights Built-in rechargeable Li-Polymer Battery Talk time:3hours Standby time:60hours Weight: 6g Size:38*16*6mm Accessories:BH320 headset*1Earhook*1USB Cable*1USB A/C charger*1(option)English Manual*1 Packing info1 piece/gift box120pcs/ctnGW:11.5kgsCarton size:52*50*36cm &nbs
Specifications 1,18 years experience in prototype and manufacture 2, Partners:SIEMENS,TOSHIBA etc 3, High quality and fast delivery Main Features:1 Micro USB Charing Socket2 In-ear Speaker3 With Volumn Keys4 Super Mini Style Item Name KAIAO BlueTooth headset PrototypingThe company's Advantages:Over 20 years experience in Design, Product development, Magnesium- Alloy & Aluminum-Alloy part and Precision part manufacturing.Highly skilled for manufacturing process.Strict quality Control System.Delivery in time and competitive price.Business Fields: Project Development(ODM&OEM project) for Industrial Design, ME and Hardware Design, Tooling process and Mass production.Magnesium- Alloy & Aluminum-Alloy part manufacturingReaction Injection Molding RIMMetal machining part manufacturingRapid PrototypingLow volume production by CNC, RTV, and Fast-mould etc.Preferred Formats: Pro/E, Solidworks, U
Brand Name: JNP-Tech; OEM Model Number: JNP-V810BT(G)K Style: Headband Communication: Wireless Connectors: Bluetooth Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Compatibility: Mobile Phone, PC, MP3 player, etc. Color: Black, white Packaging & Delivery Packaging Detail: Gift color box package or customized design. Delivery Detail: 25 days Specifications 1. Support A2DP, AVRCP, headset, hands-free profile. 2. Pillow-soft ear cushions. 3. Hi-fi quality, crystal clear sound. Basic Information Faster connecting, clear sound, anti-interference. Built-in Omni-directional microphone Bluetooth Version: V2.1 + EDR, Class II. Support A2DP, AVRCP, headset, hands free profile. Buttons: Play/ Pause, VOL +, VO -, Call/ Receive. Blocks 4 times the external noise to get crystal clear sound. Holding time: around 7 hoursWorking distance: 10 meters Pictures of JNP-V810BT(G)K :
Brand Name: cect Model Number: CGZG9000 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Specifications Built-in microphone and speaker Headphone remote control +/-,On/Off,Play/Pause,Previous/Next Wireless connect with PC USB ada High quality 2.4G stereo bluetooth headphone (Wireless connect with PC, can enjoy the music from PC,also can realized SKYPE,MSN,QQ wireless network longdistance call) 2.4G wireless transmission is the most high-end wireless transmission technology.It is the first choice of wireless digital transmission program, which running in the recognizedglobal short-range communication of 2.4G ISM band. With notable feature of high transmissionspeed, reliability, high level of security and low radiation (no electromagnetic injury to human body) . The wireless headset is the application of 2.4G wireless digital audio transmission tech