Specifications *Bluetooth version 2.1+EDR, Class II *Bluetooth Profiles: HSP, HFP, A2DP and AVRCP *Talk time&music playing time: up to 10hrs 1, Support music from MicroSD TF card(up to 32GB); 2, Support line in music from other devices (MP3, mobile phone, CD, computer) by accessory line in cable; 3, With FM Radio; 4, Bulit in battery, can work more than 12 hours. 5, Equalizer function with different sound adjustments; 6, AccessorIes: Line in cable, USB calbe for charging
Brand Name: XJWD Model Number: HS1800 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth Version: V2.1+EDR Support: HSF,AVRCP,A2DP Talking time: up to 7hours Music time: up to 7 hours Standby time: up to 200 hours Available in: Windows IOS Android Color: Black\Blue\White\Red Warranty: 1 Year Accept: OEM Packaging & Delivery Packaging Detail: Packing details: color box & pvc packiing; Carton Size: 81.5*36*49.5cm; 30pcs in a carton; 20" : 6,000pcs. Delivery Detail: samples order: 3 working day; mass order: 28 working day Specifications 1.mini bluetooth headphones; 2.CSR Chips; 3.Sport earphone; 4.Extremly Competitive Price; 5.excelent audio quality Descripton:Wireless bluetooth headset HS1800 for Mobile phones- for excelent audio quality , great wearabbiliby and headband design, lets you lose yourself in the music knowing you won't miss a call. With a Blueto
Specifications Wholesale Bluetooth Headphone, bluetooth headset with different colors. the bluetooth version: V2.1 + EDR. Wholesale Bluetooth Headphone, bluetooth headset with different colors wireless bluetooth Headphone Features:1. Bluetooth specification: V2.1 +EDR 2. Bluetooth profiles supported:Headset ,Handfree3. Operation Range: Up to 10 Meters4. Music formats:MP3,WMA,AMR,FLAC,APE,Vorbis etc5. Built-in rechargeable(lithium-Polymer) battery6. Recharge time: 3 hours full charg7. Playing time: 8 hours/ Talk time: 5 hours8. Built-in Microphone9. Support Micro SD card input slot up to 32GB10. FM radio function:FM support automatic station search , and maintain an effective radio with the release to listen11. U disk function:Connected directly to a PC via a USB cable, when speakers T card as a U disk directly copy songs12. HD lossless decoding:Special support APE,FLAC the HD lossless file decoding, restore sound is essentially13. Signal to noise ratio:≥90DB14. Out
Specifications Universal Mobile phone Wireless Bluetooth Headset Version:Bluetooth V2.1/3.0+EDR Effective distance:10M Low power comsumption Universal Mobile phone Wireless Bluetooth Headset Earphone Headphone Introductions features:1.low power comsumption 2.Receive/hang up/reject a call,voice dialing,tail number redial function! . Specifications1. Version:Bluetooth V2.1/3.0+EDR 2. Talking time:3-4H3. Standby time:≥100H4. Effective distance:10M5. Charging tine:2-3H6. DC:5V 7. Machine size: 16*37*10 mm 8. Machine weight:6.4g9. Packing size: 100*160*40 mm 10.Complete set weight:67.0g11.Original imported ISSC chip (long-term warranty) Package included1.bluetooth handset2.ear hook3.user manual4.charger(ES/EU plug optional)5.Carton package Pictures
Specifications Specifications 1. CSR chip 2. connect 2 phones 1 time 3. play music Specifications *Brand New Wireless Stereo Bluetooth Headset *Elegant Fashion Design *High Acoustic Fidelity *Extremely Competitive Price Colors and Fashion, High Quality Wireless Bluetooth Headphone fit all brand mobile phone, tablet pc and computer accessories etc. Welcome to contect with me. Product Feature Bluetooth modelV2.1+EDRsupport agreementheadset free/ headset profiletalking time4-5hoursstandby time120 hoursvalid distance10meterscharging timewithin 2hourscharging voltageDC - 5Vwirless frequence2.4GHzTransmission powerClass 2Carton size55*43*39cmOne Carton50 pieces others 1.our products export to all over the world. 2.We guarantee each product will be checked, one by one. 3.If there are bad products, we will promptly pay compensation to customers without any charge. 4.We also sell a lot of similar ele
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
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: OEM Model Number: XH-E002 Style: In-Ear Communication: Wireless,wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Type:: Bluetooth clip-on stereo headset Earpiece Design:: Earbud (In Ear) Features:: Noise Cancellation Wireless Technology:: Bluetooth color: black and white Earpiece Design: Earbud (In Ear) size: 6.2x1.2x.5cm Talk Time: up to 5 hours Charging time: Approximately 1.5 hours Packaging & Delivery Packaging Detail: standard package,like gift box,window box Delivery Detail: 7days Specifications bluetooth headphones Automatically switch between music and call Long standby time Muti-point connection OEM Super good price and top sell bluetooth headphones,China bluetooth headsets supplier Elegant Mini Bluetooth stereo wireless Headset Headphone for Apple,Android Smart Phones Product Specification:Bluetooth version: 3.0 Blueto
Specifications 1.OEM ODM Service 2.Factory direct price 3.Bluetooth 4.foldable 5.different colors Foldable wireless bluetooth headphone Parameter of bluetooth headphone : More pictures of bluetooth headphone : Four colors of bluetooth headphone: other headphone: Packing of mp3 player wireless headset : Packing Size of bluetooth headphone : 157mm(L)×83mm(W)×190mm(H) Contact us for more information on bluetooth headphone Ms Amanda LiSkype:amanda75290527 Tel:+86 13724565259(English) Amanda +86 13332655409(Chinese) Jason Email: market(@)winfire999.com.cn
Model Number: EX-01 Style: Ear Hook Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Colour: Black Packaging & Delivery Packaging Detail: Blister packaging Delivery Detail: 1-3days after payment received Specifications FOR PS3 EX-01 wireless BLUETOOTH HEADSET 1.Wireless and bluetooth 2.90days warranty 3.fast delivery 3days 4.Low MOQ 10pcs Features1.DarkLite illuminated feedback, perfected for dark viewing conditions2.20-degree variable mic arm allows movement away or towards cheek, working with contours of face3.Ergonomically designed controls allowing instinctive location of volume and power/mute.4.External speaker sponge designed to sit comfortably on the ear, without entering the earhole itself, allowing longer gameplay in comfort5. It offers excellent acoustic quality that would give a new definition to your gaming6.It's very easy to use and it has a tendency to stop any outside nois
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 
Specifications 1. Bluetooth Headsets Earphones Convenient For Sports 2. Built in Microphone 3. Stereo 4.Color: Black,red,blue,green Bluetooth Headsets Earphones Convenient For Sports Features:1. Wireless appreciation in the mobile phone play the stereo music.2. listen to the radio broadcast computer stereo music.3. Use the network to realize the remote wireless two-way conversation.4. Radio listening to the stereo music, dial out, answer the call to be automatic conversion.5. Portable back-hang design, convenient for sports.6. Allow you answer the phone anytime and anywhere.7. Built in Microphone for Handsfree Cell Phone use.8. Can answer calls from any phone. Specifications: ColorBlack/Red/Blue/GreenWeight75gButtonsPlay/ Pause, VOL +, VO -, Call/ ReceiveCharging time1-2 hoursPlay time4 hoursStandby time250 hoursUSB Cable LengthAbout 62 cm/ 24.8''Bluetooth versionV2.1+EDAudio range2.402GHZ~2.480GHZ ISM BandBatteryBuilt-in lithium battery (charged via 2.0 USB)Channel79cha
Specifications bluetooth headphone 1.Fashional Design, 2.Stereo Bluetotoh Function 3.play music from your mobile 4.Bluetooth Headset v 2.1 bluetooth headphone Detailed Product Description Feartures: CE,ROHS,FCC and BQB ApprovalBluetooth Version V3.0/2.1+EDRSupports A2DP AVRCP, HSP and HFPEnjoy stereo music from coputer and mobileExtremely good quality,superior clear voiceMultimedia,stereo, foldable Headphone,NecKphoneHandsfree,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: 40HZ-18KHz Transmission power:class2Transmission distance:10MOperating voltage:3.7VOperating current:&le
Brand Name: MSphone Model Number: XSL-298 Communication: Wireless Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Material: ABS Color: white,black,red,pink,yellow,sky-blue OEM: Yes Feature: Wireless,power charging with USB interface transmission scope: 10 meter 20ft/40HQ: 14000pcs/34500pcs Certificates: CE,ROHS Connection: Wireless Bluetooth Packaging & Delivery Packaging Detail: Window Gift Box. Delivery Detail: 5 days Specifications 1.Cordless bluetooth function. 2.Volume +/- control,ON/OFF button. 3.Many colors,mixed colors. 4.Frosted with rubber finish. Using steps:1. Turn on the power::Press the function key until the indicate light flashes between blue and red.2. Pairing:A. Activate the phone Bluetooth function;B. Open the Bluetooth search function;C. receive search to MSphone model, chose the model, then the blue light flashes that pairing success (If needed,the phone pairing password is: 0000, this Bluetooth device model: MSphone)3. Answer cal
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&
Model Number: BT-601 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) BT headphone: bluetooth headphone Packaging & Delivery Packaging Detail: polybag or blister packing Delivery Detail: 15 days Specifications 1.Supports Bluetooth Headset and Handsfree Profile 2.Mini foldable design,great for travel and out door use 3.Remote function Feature: • Enjoy music wirelessly with Bluetooth stereo enabled device • Build-in high-quality 40mm mylar loudspeaker for audiophile grade sound quality. • Active noise suppression and echo cancellation for superior conversation sound quality • Convenient USB charging • Bluetooth™ specification ver.2.1 + EDR • Remote function : Play, Stop, previous/next,volume+/- • Hands-Free talking • Mini foldable design,great for travel and out door use • on-ear de
Brand Name: Kingrik Model Number: KHS-572 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Noise Cancelling,computer/DJ/mp3/IPhone Place of Origin: Guangdong China (Mainland) Color: Customised Pantone color Certificate: CE,RoHS,FCC Driver Unit: 40mm Frequency response: 20~20Khz Sensitivity: 110±3dB Impedance: 32 ohm Max imput power: 40mw Cord length: 2.1m Mic sensitivity: -58±3dB Packaging & Delivery Packaging Detail: Blister card/color box/OPP bag/your own design. Delivery Detail: within 25-30 days upon depoist. Specifications 1.enough space to print logo 2.Soft earmuff and super sound 3.Pantone color match 4.extensible head band 5.folding headphone headband headphone Features: 1.enough space to print logo2.Soft earmuff and super sound3.Pantone color match4.extensible head band5.folding headphone Descriptions: 1.Supra-Aural Design for excellent listening ability&n
Specifications *Stereo 2.0CH *8-hour call time support *Transmission range: 10 meters *Foldable bluetooth headphone for iPhone 2012 NEW product! Foldable bluetooth headphone for iPhone (GX-288A) Color: Black Feature:*Support Iphone, Ipod, Ipad headphone*Ear hook and folding MP4 bluetooth headphone*Multimedia Computer Headphone*Compatible with all Bluetooth cellphones*Enjoys wireless connection via an Bluetooth*Works well with Skype, MSN, and VoIP*Crystal clear sound can thoroughly release your hands to enjoy your work*Play high quality MP3 from TF cards *Hi-fi sound & FM function*Wired & Wireless headphone *Listen to MP3 music from Nokia mobile phone*Listen to stereo music from PC*Line in & line out function*Portable USB Drive*PC connection funciton & Memory function*Rechargeable lithium battery *Supports headset and hands-free profile*Faster connecting, clear sound,and anti-interference*Bluetooth protoco
Specifications Brand New bluetooth earphone headset. Elegant Fashion Design. High Acoustic Fidelity. Extremely Competitive Price. Svnscomg bluetooth headset S-1100 Specification:Wear Way:Ear HookBluetooth Version:V3.0+EDR  
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.
Specifications Stereo bluetooth headphone 1,Wooden design 2,Perfect sounds 3,Beautiful Stereo bluetooth headphone NameWooden Stereo bluetooth headphone MaterialABSColorBlack,green,red,white and more. DesignBluetooth headset designApplicationFor mobile ,PC,Tablet HD, Feature1. Answer calls,play/pause music directly from your headset, joy in HD stereo tone quality;also may use the stochactically present free cable to conect the auto device without bluetooth function. 2. Foldable design is so easy to carry. 3. Advancement of Wooden which is superior to plastic style makes powful tone quality. 4. Adopting NdfeB to make bass, high pitch, stereo and dynamic sound,more excellent and natural. You can feel confortable even in several hours,benifit form the adjustable head band&super soft ear pad 5. Complete operation,you can put the cellphone in the p
Brand Name: Avantree Model Number: BTHS-849-BLK Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Specifications 1. high quality for music and calls 2. 18 hours music time 3. Wired option for low battery use 4. comfortable wearing Avantree Hive is a Bluetooth stereo headphone with MIC from the Avantree family. It delivers clear voice transmission for phone calls and high quality sound for music. And with 3.5mm audio jack, it provides corded option for non Bluetooth-enabled phones, MP3 players, etc. The Avantree Hive is stylish and comfortable for all-day comfortable use. * Bluetooth stereo headohone with mic* Enjoy wireless music and answer phones calls in crystal clear stereo sound.* Corded option for non Bluetooth-enabled phones, MP3 etc.* Long working time - up to 18 hours music / talk time.* Auto-connection, easy to use.* Comfortable wearing and secure ca
Specifications bluetooth headphones adapter support hands free conversation stere bluetooth adapter noise cancelling Specification of bluetooth headphones adapterBluetooth3.0+EDR Class2 support for A2DP V1.2, AVRCPV1.4 profiles agreementProduct Size: 51*38*15mmMaterial: Plastic ABSWeight: 16gTransmission distance:10metersSupport calls handsfree fuctionSupport the previous and the next one when listen the musicFrequency range:20Hz-20KHzS/N ratio: >80db Battery: Built-in lithium battery,3.7v/800mACharging voltage: 5V+0.25VCharging time:2- 3 hoursWorking time: 5-8 hoursAccessories:DC chargeble cable/user manual/dual3.5mm audio cable/earphone2013 Popular Bluetooth headphones Adapter
Brand Name: OEM Model Number: YX-BT-Q11 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) Color: Any color available Logo printing: Avaiable Microphone: Build-in Certificates: CE,RoHS, REACH&FCC Packaging & Delivery Packaging Detail: Blister/ PE/Gif box Delivery Detail: 30-35Days Specifications Colorful design and OEM Packaging, BT headphone for mp3 player,M.B,Tablet,Smartphone etc CE, RoHS standard hi-fi fashional stylish stereo BT bluetooth headphone Shenzhen Dayixin Technology Co., Ltd, established in 2007, specialized in developing and manufacturing various types of headphones, earphones, mini speakers and Microphones. Our office is located in Songgang Town of Shenzhen with convenient transportation and fast market information, we provide high-quality and competitive price products. Our Main lines: wireless headphones, Bluetooth Headsets, St
Brand Name: OEM Model Number: B03 Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) size: 51.5*17.5*8mm weight: 10 materil: ABS color: white,black packing: gift box Packaging & Delivery Packaging Detail: gift box Delivery Detail: 10-15days Specifications bluetooth version:V3.0+ EDR,support A2DP. work range:10m. standby time:100 hours talk time:4 hours. charge time:2 hours 1.Bluetooth versionV3.0+EDR2.Support profilesA2DP3.Work range10m4.Standby time100 hours5.Talk time4 hours6. Charge time2 hours7.Main functionanswer/end a call,redial,volume adjusting,reject a call.mute function.8.Package includeusb cable/ear hook/user manual
Brand Name: Guideray Model Number: earphones Style: Headband Communication: Wired Connectors: 2.5mm/3.5mm/6.3mm Use: mp3/mp4/mobile phone/laptop computer Function: Bluetooth,Waterproof,Noise Cancelling,Microphone,telephone/mo3/mp4/laptop computer Place of Origin: Guangdong China (Mainland) Brand: Guideray company Sound: super bass Appearance model: headphone Color: silver/gold Earlap material: ABS Cord material: PVC/PU/TPE/Fabric/Aluminum foil options Line supervisor: 1.2m Pin Size: 3.5mm Transfer material: copper Packaging & Delivery Packaging Detail: 1)OPP bag ,Blister package or colorful box package with your own LOGO or neutral package. 2)Can be customized package available Delivery Detail: Within 7 days after receiving order Specifications 3.5mm plug branded bluetooth headphones 1.Cord PVC/TPE+ABS 2.OEM/ODM is welcome 3.CE / RoHs/FC Advantages factory price branded bluetooth headphones for iphone/samsung/laptop1. Fashion design, various colors
Specifications stereo bluetooth headphone 1.Handsfree Headset,compatible with any phones 2.Removable ear-hook fits either ears 3.CE,ROhs stereo bluetooth headphone. Feartures: CE,ROHS,FCC approvalBluetooth Version 2.1+EDRNoise Cancelling Functiongood quality,superior clear voiceErgonomic and Fashion designRemovable ear-hook fits either earsBluetooth Handsfree Headset,compatible with any mobile phoneHigh Capacity&Rechargeable BatteryAutomatic cennecting functionEnergy saving function,200% longer talk timHandsfree,answer/reject call and call the last coming NO.Voice Dialing,Re-dialing function.Technical Parameter: Frequency range:2.4GHz-2.48GHzTransmission power:class2Transmission distance:10MOperating voltage:3.6VOperating current:≤35mAStandby current:≤2mACharger power:Input 100~240V AC,Output 5V DCWorking temperature:-20°C~60°CCharging temperature:0°C~45°CCharging time:2 hoursStandby time:120 hours
Specifications Superior sound quality wireless bluetooth headphone. Factory price, fashion design ,fast delivery Perfect quality . Products Name: BT-200 PinkProducts Detail: 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