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
Specifications Bluetooth Headphone Calling Time:4 hoursHolding Time:120 hoursOutside Size: 36*36*10mmWorking Area:3-10MetersWeight: 15gBattery: polymer Lithium cellSupporting Bluetooth Agreement V2.0Color: Black, silver
Specifications 1.Portable wireless music headphones for Phone 2.Answer and dial out phone convert automatically 3.Built-in high quality MIC
Brand Name: EuroFone or OEM Model Number: BT500MFM Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Catergory: Bluetooth Ski Helmet Headset Usage for: Motorcycle Helmet Color: Black FM Radio: Support Bluetooth: Stereo headset Mp3 music: support Talking range between 2 riders: 500m Talking for mobile phone: 10m talk time: 7h Packaging & Delivery Packaging Detail: GIFT BOX OR BLISTER Delivery Detail: 10 WORK DAYS Specifications 1.Bluetooth Helmet Headset intercom 2.Stereo Headset with FM 3.Up 500m for bluetooth intercom 4.Drive Speed 140km/h Bluetooth stereo Motorcycle helmet headset, bluetooth intercom up with FM Radio, Bluetooth Ski Helmet Interphone, Bluetooth manufacturer, Bluetooth Heaset Factory Price. Item No.: BT2FM Bluetooth 2.0+EDR, with Headset, Handsfree Advanced Audio Distribution, Audio Video
Specifications stereo bluetooth, best bluetooth headphones, wireless earbuds Bluetooth version 2.1+EDR CE,ROHS Bluetooth version 2.1+EDR Mini sdesign,smallst zise CE,ROHS,FCC *Bluetooth standard: V2.0 *Signal Frequency: 2.4-2.48GHz *Transmission power: Class2 *Measurement: 41*16*23mm *Weight: 7.12g *Function: Headet/Handfree profile *Working range: 10M *Talk time: 2.5 hrs *Standby time: 45hrs *Charging time: Less than 2 hrs *Battery: 80mAh Li-Polymer Battery *Charger Power: Input 100-240 V AC, Output: 5V DC *Standard Layout: 1*Bluetooth headset+1*Charger+1*Ear hook+1*Product manual *Well and High Quality Control *Prompt Delivery *New Product *Customer's Designs and
Brand Name: WESENT Model Number: WST-E68 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth: bulit-in bluetooth v2.0 MP3 player: play MP3 from memory card service: OEM, ODM battery: rechargeable Li-ion battery sound: super bass and stereo price: factory price, competitve price color: red, black, white, yellow,green advantage: factory price, stable high quality package: polybag/color box/gift box Packaging & Delivery Packaging Detail: 1 PC/gift box CTN size: 60*46*55cm 60 PCS/Ctn. N.W.: 14 kgs G.W.: 15 kgs 20ft container: 11100 PCS Delivery Detail: 7-25 days Specifications 1 bluetooth headphone for Mobile phone 2 bulit-in MP3 layer 3 Bluetooth v2.0 4 cheap price 5 support OEM and ODM service Use Main function 1.wireless bluetooth headset2.wireless MP3 player headset4.Mobile phone call recorder5.hands free phone call7.stereo bass sound listening music8. wi
FOB Price: US $52 - 80 / Piece Port: shenzhen Packaging & Delivery Packaging Detail: retail Delivery Detail: 2days Specifications 2013 High quality Syllable wireless bluetooth headphone DJ headset,solor headphone stereo headphone Quick DetailsBrand Name: OEM,loop Style: Headband,headphone Communication: Wireless,wireless Connectors: 3.5mm Use: MP3/MP4/DJ/audio player Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) model number: noise cancelling connector: 3.5mm quality: grade A cable: PVC/TPE/Fabric color: black/ white/red/purple/blue/green price: comepetitive price Packaging & DeliveryPackaging Detail:polybag / gift box / blister card/customized packagingDelivery Detail:1-2days after confirming the payment Specifications 1.custom color available2.high quality sound and headband3.embossed logo artwork4.5years manufacturing experience 2013 High quality Syllable wireless bluetooth headphone DJ headset,solor headphone stereo headphone 1.Stereo sounds,
Brand Name: OEM Model Number: M9A Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Warranty: 1 year Talking Time: 6 Hours Transimission Distance: 10M Bluetooth Version: V2.1+EDR Packaging & Delivery Packaging Detail: Paper box with inner Blister Delivery Detail: 5~10days Specifications Wireless Stereo Bluetooth Headset Clip Model,superior Clear Voice Support HSP/HFP/A2DP CE,ROHS,FCC,UL and BQB Bluetooth Stereo Headset V79A Feartures: CE,ROHS,FCC,UL and BQB approvalExtremely good quality,superior clear voiceElegant and Fashion designStereo Bluetooth Headset,Bluetooth version 2.1+EDRSupports HSP and HFP profiles and A2DPRechargeable Battery:Li-ionLong talking time:range up 6 hoursExtremely Light:Only 9gColor:Black,Whte,Golden and SilverBluetooth Hansdfree,compatible with most Bluetooth Devices such as Mobile Phone,computer and PADAutomatic cennecting fu
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 DJ Studio Music Headphone Headset Earphone Handfree For Mobile Phone 1.Newest Arrival 2.Top Quality 3.All Test Extraordinary bass sound bluetooth headphone on head music play wireless and portable headphones 1. 2013 popular foldable headphone2. Manufacture with competitive price & good quality3. Imprint customer's logo as request4. Excellent sound performance 5. Custom packing design service6.1- 2pcs free samples available 7.headphones for personal use, for gift to friends ,for company sales promotion ,for supermarket retail or wholesale or any other Enterprises or institutions requires 1. fashionable design 2.Strong bass generated from powerful driver3.Excellent sound quality .4.High-end protein earcushion material for most comfortable5.Newest and best selling headband headphone .6.Headband is adjustable to fit defferent sized heads7.Advantage price and high quality for mass purchase.8.Detachable cable,Flat cable or round cable optional.9.Can add m
Specifications bluetooth headphone Specification : v3.0 EDR class 2. suitable for laptop/mobile etc OEM welcome. Hot sales! Wireless Stereo Audio Bluetooth Headphone for laptop/mobile/pc etc 1. Bluetooth Specification : v3.0+EDR class 2 ;2. RF Frequency Range: 2.402-2.480GHZ,2.4G ISM brand ;3. Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm;4.Supports Bluetooth Headset and Hands-free profiles ;5. Operating distance:about 10 meters ;6. Nominal charging time: Max 1.5 hours ;7. Work time: about 6 hours around ;8. Impedance:32 ohm ;9. Standby time:up to 100 hours ;10. 2.0mm DC Plug Charging Port ;11. Charger adapter output: DC 5V&200mA ;12. Color: white, green, black,red, blue ect. .
Brand Name: HONSON Style: Headband Communication: Wireless Use: Other Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: sealed blister Delivery Detail: 2-3days Specifications Mic Wireless Bluetooth Headset Stereo Headphone For PS3 laptop cellphone Iphone Description:- Working with PS3 gaming and most Bluetooth cell phones.- Blocks 4 times the external noise keep your conversation scrystal clear.- Ultra fashion, compact and light-weight design for comfortable fit.- Over-the-head headband ensures stable fit.- Concave ear cushion for confort and improve sound.- Left or right side microphone placement. - Bluetooth v2.1,CSR Blue Core 6.- Up to 8 hours talk time and 200 hous standby. Specification:- Bluetooth protocol: Version 2.1- Support Bluetooth headset, handsfree profile- Redial the last call Reject call- Volume adjustable- LED indicates connection- Frequency:2.4GHz- 2.4835GHz,ISM Band- Longest standby time: 200
Specifications bluetooth headset WEP200 bluetooth headset WEP200 Description: WEP200 is the smallest (40mm) and lightest (9g) Bluetooth headset now! Stores and charges simultaneously by using a small black charging case. Suitable for almost Bluetooth enabled devices. Products specifictaions:1. StandardBluetooth 1.2 specification2. Range Up to 30 feet (10 metres)3. Audio code Single Audio4. Frequency2.4Ghz Ism Band5. Bluetooth profiles supportedhandsfree 6.0 and headset 1.17. Transmitter Power Class 28. Connection Point to point9. Weight 9 grams10. Talk time4 to 6 hours11. Standby time180 hours12. Power consumption30mah(working) 1mah(standby)13. Charging time2 to 3 hoursPacking info:1pc Bluetooth headset , 1pc travel adaptor, 1pccharging case, 1pc ser manualUnit Weight: N.W: 9g G.W: 146g
Specifications Fashionable neckband MP3 bluetooth headphones 1. factory price 2. warranty: 1year 3. Pass CE & RoHS 4. OEM & ODM welcome Fashionable neckband MP3 bluetooth headphones 1. Features:1. Frequency response: 20-20,000Hz2 Talking time: 15 Hours3. Standby time (Bluetooth): ≥ 200 hours4. Battery: rechargeable 460mAh Li-ion battery5. Charging time: about 2.5 hour6. RF: 2.4GHz GFSK7. S N R :90 dB8. Bluetooth Version: V2.0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~2.description1. Bluetooth Version, V2.02.Talking time,15 Hours3. Standby time,240 Hours4Power supply, DC 5V5.Battery,rechargeable 460mAh Li-ion battery~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~3. Packing information: Inner pack 1 unit/gift box Outer pack 20 units/Ctn Ctn meas. 60*46*55CM N.W. 14 KGS G.W. 15 KGS 20ft container Load 11100 units
Brand Name: OEM Model Number: S603 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) bluetooth version: V2.1 +EDR Talking time: up to 8 hours Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 3 days Specifications Wireless bluetooth headphone suits all smartphones, tablet, mp3/4 player Factory price with good quality Wireless bluetooth headphone for mp3/4 and smart phones such as Blackberry,Nokia,Sumsung,HTC,iPhone,Tablet pc,computer etc. High quality .Excellent Sound Quality.Well design and easy to use.Stable neckband means versatility for use conditions.Seamless switching between music and calls.Great sound with control.The headset supports Bluetooth v2.1 + EDR with handsfree, Headset, A2DP (Stereo Music) and AVRCP (Audio Video Remote Control) profiles.Frequency Response is 22-18000 Hz and Total Harmonic Distortion is less than 0.5%.Operating dist
Style: Neckband Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Usage: Mobile Phone Specifications BlueTooth headset BlueTooth headseti-mate: JAM, JAMin, JASJAR, K-JAM, PDA2, PDA2K, SP3, SP3i, SP5, SP5m LG: F2400, P7200, S5200, U8210, U8290, U8360, U8380, U880 Motorola: A1000, A780, A830, A835, A925, C390, E1000, E1070, E398, E550, E770v, L6, Main Features:Kit includes Headset, Travel Adapter, User Manual Sleek, behind-the-head style Compact 1.3 cm speakers help provide comfort and a snug fit in the ear Works with all compatible Bluetooth-enabled phones Stream music from a compatible Bluetooth-enabled stereo music phone or from a compatible Bluetooth-enabled MP3 player Long play time C up to six hours of play from a single charge Music mutes or pauses when calls come in and resumes once the call has ended Control music and calls from the headphones Water and sweat resistant Supports Bluetooth Advanced Audio Distribution (A2DP)
Specifications fashionable design stereo bluetooth headphone 1: high quality 2: competitive pricing 3,Bluetooth3.0 +Class2 fashionable design stereo bluetooth headphone :
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 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
Brand Name: Bluetooth stereo headset Model Number: BH501 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Computer Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Feature: Wireless headset Sound: Stereo earphone Usage: Mobile phone headset laptop earphone Packaging & Delivery Packaging Detail: Blister box Delivery Detail: 1-5business days after confirmed order Specifications Wireless headsets for iPhone iPad MP3 Mp3 player wireless headset wireless bluetooth headset Long life One year warranty Bluetooth stereo headsets for iPhone, iPhad, MP3, mobile phone, laptop, Wireless earphones. 2013 Hot selling! Product feature: This BH-501 bluetooth stereo headset let you enjoy excellent digital-quality music comfortablely with your computer, MP3 player, home stereo, cell phone, or any other device which supports Bluetooth stereo audio. Acoustically-turned design and high-quality drivers ensure best-in-class audio
Brand Name: kingartor Model Number: KA-M0584 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: China (Mainland) Colour: optional MOQ: 1000 Packaging: optional Logo: customized logo Warranty: 1 year Packaging & Delivery Packaging Detail: opp polybag Delivery Detail: As per exact quality and customer's require Specifications 1.bluetooth headphone wireless headset 2.CE and Rohs 3.MOQ 1000pcs 4.OEM order welcome 5.Sample ok headphone wireless bluetooth headphone Features: 1. headphone wireless bluetooth headphone 2. Manufacture with competitive price & good quality3. Imprint customer's logo as request4. Excellent sound performance 5. Custom packing design service6.1- 2pcs free samples available 7.headphones for personal use, for gift to friends ,for company sales promotion ,for supermarket retail or wholesale or any other Enterprises or institutions requires
Brand Name: OEM Model Number: H1 Style: Headband Communication: Wireless,Wireless Bluetooth Connectors: Bluetooth Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Technology: Bluetooth V2.1+EDR Play/Talk: 10 hours Transfer Distance: 33ft/10M warranty: 12 months Packaging & Delivery Packaging Detail: 1PC/GOFT BOX Delivery Detail: 5-7days Specifications wireless bluetooth headphone 1.bluetooth wilress headphone 2.Bluetooth V2.1+EDR 3.Support mobile phone call music 2013 hot sale headphones beats for mp3,ipad etc, 2013 hot sale wireless bluetooth headphone for mp3,ipad etc Features: 1. Black, white and gray three classic colors, stylish and simple 2. The special button operation easy to use 3. Built-in high quality microphone supports a variety of phone calls, music playback function 4. Using the latest Bluetooth 2.1 + EDR standard high-fidelity audio transmission tec
Brand Name: bluetooth headset Model Number: SH202-3 Function: Bluetooth,Noise Cancelling Working range:10M: Frequency range :2.4-2.48Ghz Talk time :â¥5 hrs: Charging time:<3 hrs Standby time:⥠150 hrs: Charger power : AC input 110-240V DC output5V 24*11.2*18mm 6.5: two mic, noice cancelling Packaging & Delivery Packaging Detail: Packing Terms:Paper box, charger manual Delivery Detail: 12 working days after received your 30% deposit Specifications Specification:24*11.2*18mm 6.5 two mic, noice cancelling Bluetooth standard:V2.1 + EDR compatible V1.0 V1.1 / V1.2 / / V2.0 Transmission: class2 Working range:10M Frequency range :2.4-2.48Ghz
Brand Name: OEM Model Number: DP-BT3 Style: Ear Hook Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling Place of Origin: China (Mainland) Color: Black white blue Play time: Music playback upto 6 hours With: Bluetooth Battery: LI-PO battery Package included: 1 x player ; 1x Mini USB cable; Packaging & Delivery Packaging Detail: Blister Packaging or As customers'request. Delivery Detail: 3-5days Specifications 1.Play music from bluetooth devices 2.Stereo 3.Answer /reject call 4.suit for any kind of smart phone with Bluetooth device Most popular wireless Bluetooth/TF headphones for smart phones Bluetooth Version:V2.1, V2.0 ,V1.2 and standard V1.1Support Bluetooth profilesA2DP , AVRCP ,Headset Profile , Handsfree ProfileApplicable modelsCompatible with all smart mobile phone and tabletsEffective distance10 meter diameterFrequency2402MHz to 2480 MHz Mic Sensitivity105 dB (0dB=1V/pa ,1KHz)Talk time ( F
Brand Name: XuFeng Model Number: XF.EP-120004 Style: Ear Hook Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) product name: Good Quality Mini Portable Bluetooth Earphone for Mobile Phone color: colorful battery: Built-in Rechargeable battery accessoires: Bluetooth Headset, Earhook, Cable Charge, User Manual certificates: CE. FCC. ROHS Packaging & Delivery Packaging Detail: Gift box /1 pcs Delivery Detail: 3-7 days after receive payment, depend on quantity order Specifications Mini Portable Bluetooth headphone samll, fashionable, and carrying and keeping convenience Certificates:CE. FCC.ROHS Good Quality Mini Portable Bluetooth Earphone for Mobile Phone Built-in Rechargeable batteryCreative Wireless Mini Portable Bluetooth earphoneSmall, fashionable, and carrying and keeping convenience *Dual pairing supported*Bluetooth version 2.1+EDR, Class II*Bluetooth Profiles: H
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 Wireless Headphone 1. 2 Years Warranty 2. Fashion Design 3. OEM
Specifications 1) you can enjoy music wirelessly 2)Support FM, can receive high-quality stereo radio. 3)support TF card Specification Of MP3/FM1) PC interface: USB2.02) Music format: MP3 /WMA 3) TF card support :128M-32GB4) FM frequency response: 87.5-108MHZ5) Rechargeable lithium battery:350mAh Specification Of Headphone1) Type: stereo headphone with MIC 2) Speaker : φ40mm3) Sensitivity: 115Db S.P.L at 1KHZ4) Impedance:32Ω5) Frequency response:20HZ-20KHZ6) Rated Power :40mw7) Power capability:100mw8) Cable length:1.5m9)&
Specifications Bluetooth headphones Suitable for ipod/iphone/laptop etc small wireless headphones Fully CE ROHS 2013 wireless stereo bluetooth headphone/headset ------------------------Product Performance ------------------------- 1Folding portable plug-in card bluetooth headphones 2V2.1+EDR Blooth version,High data rate; 3can connect with phone, convenient for talk4Wearing type elegant appearance design, fashionable avant-courier; 5OLED display,the play state be clear at a glance; 6Intelligent lyrics displayed function,will be played on the display lyrics(LFC format for file); 7The Hi-Fi stereo,let you move feeling,three-dimensional transparence service of music;8Wearing the soft plastic material design,comfortable wearing;98 kinds of sound choice,meet different music needs 10The built-in recording function,can record outside of the audio source 11The built-in battery for 12 hours12 Support the operating system:windows98/SE/ME/2K/XP Vista MAC OS 9.2
Brand Name: for samsung Model Number: hm1200 Style: Ear Hook Communication: Wireless Connectors: 1.5mm Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: black white Packaging & Delivery Packaging Detail: 2-3 working days Delivery Detail: Gift box packing Specifications Bluetooth Headset for Samsung Cell Phoe Bluetooth version V3.0+EDR Talking Time:3 Hours Hot Sell,High End Mold Feartures: Bluetooth Version V3.0/2.1+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 functionRemote control music playback,pause,up and down selections Volume control key,volume up and down Technical Paramiter: Frequency range:2.4GHz-2.48GHzTransmission