Brand Name: Tonsion Model Number: BT30-C Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Type: Bluetooth For use: Mobile notebook ipad Color: black/white Connector: Bluetooth Compatibility: Mobile Phone, PC, MP3 player, etc. Packaging & Delivery Packaging Detail: blister package or color box Delivery Detail: delivery in 30 to 35 days around after got the deposit in advanc Specifications Bluetooth Headphone With TF Slot 1.new model 2.turnable 180 degree cover 3.stereo headset 4.welcome OEM brand Bluetooth headphone With TF Slot For Notebook Mobile Product Specifications: Wireless frequency:2.404-2.479GHz, ISM BAND Operating Voltage and current:30mA 3.7V.( 3.7v 500mA lithium ion battery) Speaker Frequency Response:20Hz-20KHzMicrophone Frequency Response:100Hz-8KHz SNR of speaker:>70dBSNR of microphone:>=55dBD
Specifications Wireless Bluetooth Headsets for Motorcycle Helmet 1.800 meters range 2.Up to 120Km speed 3.Support MP3/4 player Wireless Bluetooth Headsets for Motorcycle Helmet 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 pho
Model Number: R-008L Use: Portable Media Player Function: Bluetooth Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister package Delivery Detail: 25 days Specifications Sport Bluetooth Heaphone support TF card 1, MP3 music from TF MicroSD card or mobile phone(AUX Audio); 2, Support TF MicroSD card up to 32GB; &nbs
Specifications 1.ROHS,CE,FCC 2.Bluetooth 2.0 3.120 hours standby 4.8 hours phone call EXW SHENZHEN Price:US$8-11/Piece.Free Sample OK Specification:Scientists generally believe that long-term exposure to electromagnetic radiation than 0.2μt is safe. However, any form of artificial electromagnetic radiation are harmfull on humans, and most of our electrical appliance, bring more than 2μt radiation. Phone is used in our every day life, and radiation from mobile phone is astonishing. As the phones are the high-frequency products (30MHz ~ 2000Mhz), the test unit microwatts per square centimeter, in the case of standby, the&
Specifications bluetooth earphone: 1.with most bluetooth device 2.perfect for air travel 3.high definition sound 4.A-grade quality We warmly welcome to your OEM orders: www.sechange.com Noise Isolating On-Ear Headset S450 Wireless Bluetooth Headphone : * Wireless Bluetooth On-Ear Headset,A-grade quality * High definition sound in a completely wireless design * Built-in Bluetooth technology,with most luetooth device * 2012 Fashion New Design If you are interested in our headphones,please don't hesitate to contact us for business negotiation!!! We look forward to your inquiry!!!
Brand Name: Honcam Model Number: HC-PS3033 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Bluetooth version: V 3.0+EDR Chip: CSR BC5 Receiving distance: 10 meters Sound: Stereo sound Frequency response: 20-20,000 Hz Frequency: 2402MHz-2480MHz Talk time: About 15 hours Music playing time: About 12 hours Standby time: About 300 hours Charging time: Less than 3 hours Packaging & Delivery Packaging Detail: gift box, or as per your other needs. Delivery Detail: 20-25 days after confirm the payment Specifications 1.Accept OEM 2.Bluetooth V3.0+EDR 3.Stereo music playing 4.We are factory manufacturer 5.Long battery life and fast charging Features:Bluetooth version: 3.0+EDRSupport PS3 Voice chatSupport TF card play MP3/WMASupport Bluetooth stereo music playingSupport PC connect (through data cable) listen to music and to control music played functionSupport PC Connect (through data cable) download musi
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 Wireless computer bluetooth headphone 1.Sensitivity micro bluetooth headphone 2.Easily charge via USB port 3.Wirelessly Wireless computer bluetooth headphone JT-2830 Feature 1. Fashionable design for pc,iphone,HTC,Sumsung,or any smartphone earphone etc 2. OEM&ODM are highly welcome 3. Different colors for more selection 4.Best quality and factory reasonable price 5.CE, RoHS standard Specification Bluetooth Version: 3.0 + EDRWorking Distance :Up to 10 metersFrequency response :20~20k(Hz)Frequency:2.4GHz Impedance:32Ω Battery:3.7V 180mAhInput:DC5V/180mAhMusic time:10 hoursStandby time:up to 250hoursCharge time:3 hours Brand Name
Specifications wireless bluetooth headphone 1.Frequency : 2.4GHz ISM band 2.Built-in 360 degree Omni direction microphone 3.OEM colorful wireless bluetooth Headphone 1.Bluetooth stereo headset lets you listen to music or phone calls wirelessly2.High-quality speakers deliver crisp,rich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening5.Compatible with bluetooth enable devices,such as iphone,ipad,most computers,cellphone6.Frequency response:20-20,000 Hz7.Speaker impedance:32 ohm8.Transfer Distance:33 FT/10M9.Frequancy:2.4GHz10.Technology: Bluetooth V3.0-EDR11.Play/Talk ~10 Hrs12.Omni-directional high quality microphone13.Easily charge via USB port14.Sensitivity microphone Model NoHS02Ver.Bluetooth V3.0+EDRBluetooth ProfilesHSP,HFP,A2DPK,AVRCPEffective Range10MetersMusic Time10HoursTalk Time11HoursStandby TimeUp to 250HoursInputDC:5V/180mAhCharge Time3HourDimensions14.5*10*6cm 
Brand Name: OEM Model Number: bluetooch headphone,bluetooth headphone Style: Headband Communication: Wireless,wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: original packing, or OEM packing Delivery Detail: in 24hr after payment confirmation Specifications Best quality bluetooth headphone supplier, stereo bluetooth headset 1.Bluetooth V2.1+EDR 2.Top quality 3.Slim design DescriptionBluetooth stereo headphoneDesign*Super Simple and fashionable appearance &
Specifications Bluetooth Headset for iPhone 4G (4-Hour Talk Time/100-Hour Standby) 1 Compatible with iPhone 4 2 Long standby 3 Long call Bluetooth Headset for iPhone 4G (4-Hour Talk Time/100-Hour Standby ) Main Feature:Compatible with iPhone 4 Long standby Long call Very Clear through the noiseSpecification: Bluetooth standard: V2.1, class 2 Supported profiles: Headset, Hands-free Built-in rechargeable Li-ion battery Operation range: Within 10 meters Talking time: up to 4 hours Standby time: up to 100 hours Charging time: up to 1.5 hours Package weight: 72g Package size: 18*9.5*4.1cmPackage: 1 x Bluetooth headset 1 x 110V~240V AC charger 1 x Chinese/English manual 1 x Ear cli
Specifications 1 Winter Hat bluetooth earphone 2.Beanie headphone 3.Sport headset 4. Built-in memory 5 Accept sample order Unique Design Winter Hat Bluetooth Earphone /Beanie Bluetooth Headphone/ Hat MP3 Headset 1.Design/Dimension:50mm×50mm×11mm
Brand Name: OEM Model Number: BT-H01 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) Color: black, red, and white Packaging & Delivery Packaging Detail: Gift box Delivery Detail: 15 to 30 days Specifications bluetooth 3.0+EDR Support phone call function Foldable and retractable headband AUX input function BQB available Wireless bluetooth headset Main features:1. Bluetooth CPU: ISSC IS1681S2. Compliant with Bluetooth 3.0+EDR3. HSP, HFP, A2DP, AVRCP Profile support4. AUX input function5. Foldable and retractable headband6. Operating distance: 10 meters7. Answer & end a call at click of a button8. Redial last number9. Voice dial10. Volume control11. Playback control (previous track/ next track/pause/play)12. Built-in Lithium battery 260mAH13. Working time: Music: up to 7 hours Talk: up to 8 hours &nb
Brand Name: OEM Quality Model Number: 20130525091 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Speaker size: 40mm Sensitity: 115dB+3dB Impedance: 32Ω Frenquency response: 10-20kHz Cable: 1.2m Plug size: 3.5mm golden jack Warranty: 180 days Inspection: all strictly tested Features: Good after sale service MOQ: 10pcs Packaging & Delivery Packaging Detail: one anti-static bag,one carton box,one foam box,one carton Delivery Detail: 2-3 working days after receiving the payment Specifications Hot Sale !!! DJ Studio Music Headphone Headset Earphone Handfree For Mobile Phone 1.Newest Arrival 2.Top Quality 3.All Test Hot Sale !!! DJ Studio Music Headphone Headset Earphone Handfree For Mobile Phone 1. 2013 popular foldable headphone2. Manufacture with competitive price & good quality3. Imprint cu
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
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
Brand Name: Roman Model Number: R95 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: GUA,Guangdong, China China (Mainland) Packaging & Delivery Packaging Detail: paper color box /Blister packing/wooden box/metal box Delivery Detail: 3-5 working days Specifications 1.mono wireless bluetooth headphone 2.Built-in rechargeable battery 3.Energy saving 4.Distinctly superior Features of Wireless headphone: 1.Wireless headphone with built-in rechargeable battery 2.Wireless headphone,suitable for different bluetooth mobile phones 3.Bluetooth mono call center headset, low end and long talk time 4.Wireless headphone 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 li
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
Brand Name: YES-HOPE Model Number: BT-1300 Style: Headband Communication: Wireless Use: DJ Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Usage: disco headphone Frequency response: 20-20KHz Impedance: 32ohms Sensitivity (+/- 5dB at 1KHz): 115dB Max input power: 100mW wire: wireless Packaging & Delivery Packaging Detail: blister card/gift box/ploybag Delivery Detail: around 15days receipt of deposit Specifications 1.fashionable design , Disco Bluetooth headset 2.wireless 3.Perfect sound, gives you experience the passion 4.silent disco Yes-hope BT-1300 Disco Bluetooth headset/ bluetooth headphone / wireless headset for Disco Driver unit: 2 ×40mm speakerFrequency response: 20-20KHzImpedance (+/- 10%): 32ohmsSensitivity (+/- 5dB at 1KHz): 115dBMax input power: 100mW The feature : 1.fashionable design 2.silent disco headphone with headphone disco. 3.Supports great-sounding WR-2960 Bluetooth tr
Specifications 1)Stereo Bluetooth Headphone 2)Bluetooth 3.0+EDR 3)10 Meter, Hands-Free 4)Six Colors 5)OEM 2013 Fashionable Wireless Stereo Audio Bluetooth Headphone Specification: 1)Bluetooth headphone lets you listen to music or take phone calls wirelessly2)High-quality speakers deliver crisp,rich sound.3)Accept incoming calls or toggle between tracks with the touch of a button4)Lightweight,comfortable design for all-day listening, headphone string retractable5)Compatible with bluetooth enabled devices,such as most computers, cellphones, For iPhone/iPad/iPod and other MP3/MP4 players6)Frequency:2.4GHz ISM7)Technology: Bluetooth 3.0+EDR8)Transmission Distance:10 meters9)Easily charge via USB port10)Rechargeable Battery,long battery life11)Working time: 10 hours12)Low battery notification13)LED Light indicator and prompt voice14)Built-in microphone, Handsfree Product Pictures: Why Customers choose us?--High quality with high feedback &
Specifications Bluetooth headphones with OLED display/ FM radio Suitable for ipod/iphone/laptop etc small wireless headphones Fully CE ROHS 2013 fashion bluetooth headphones,OLED display earphones,TFcard stereo handsets with FM radio ------------------------Product Performance ------------------------- 1Folding portable plug-in card bluetooth headphones 2V3.0+EDR Blooth version,High data rate; 3Support 16GB TF card music play; 4Wearing 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 10Take FM radio function,support campus radio 11The built-in recording function,can record outside of the audio source 12The b
Brand Name: cifeng Model Number: v2.1-x8 Style: In-Ear Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black white Packaging & Delivery Packaging Detail: Conventional packaging (color box and plastic) Delivery Detail: 2-5 working days Specifications 1.Bluetooth headset V2.1-X8 2.working distance: 10m 3.good voice Operation range: Up to 10 metersBluetooth version: V2.1Comfortable ear hookSolution: CSRTalk time: Up to 3 hoursStandby time: Up to 100 hoursWeight: about 10 gramsDimensions:(L)48mm*(W)18mm*(H)12mmBattery type: Rechargeable Poly -Li batteryMultifunction: reject a call, call redial, voice recognition*Universal Micro USB charge port
Brand Name: BYZ Model Number: BYZ-S300 Style: In-Ear Communication: Wired Connectors: 3.5mm Use: Mobile Phone Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Certificate:: CE, FCC sample:: one piece mini bluetooth headset colorful &headphones paypal for:: computer, mobilephone OEM:: Yes Leadtime:: 25-35days cable length:: 130cm speaker size:: 12mm Packaging Detail:: 1piece in a saling bag logo:: requested colors :: all king of colors are available Packaging & Delivery Packaging Detail: carton Delivery Detail: 10-15 days after payment Specifications mini bluetooth headset colorful &headphones paypal 1 Manufactory directly saling 2.High sound quality 3.Nice design mini bluetooth headset colorful &headphones paypal Model No.: BYZ-S300 Parameter: Speaker size 12mm Impedance32ohmSensitivity116±3dBmFrequency range 20-2khzFunctionNoising cancellingWiresFlat cableUsageMo
Specifications Hands-free call,built-in Mic Support TF card Wireless bluetooth handphone headphone for ipone 4 iphone 5 MP3 player iphone 5 headphone / bluetooth headphone / hot product 2013 Function: 1.Extreme comfort from adjustable head band and earplug. 2.Embedded microphone for hands-free conversation from Bluetooth-enabled mobile phones. 3.Pause the music & Play back automatically when receives an incoming call. 4.Support remote control of play/pause, previous/next track, volume up and volume down. 5.Call transfer between the headset and Bluetooth mobile phone. 6.Built-in rechargeable lithium battery. 7.Support TF card and FM radiion. Technical&nb
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
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
Specifications New Bluetooth Headset 1.. OEM&ODM welcomed 2...fast ship 3.best price New Bluetooth Headset
Brand Name: Gucee/OEM Model Number: H1 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Hunan China (Mainland) Working voltage: 2.4-5V Working current: 55mA Frequency Range: 20Hz-20KHz Lithium Capacity: 150mAh Signal to noise: 95dB Color: Black or White Music Playback Time: 5 hours Talk Time: 6~8 hours Standby Time: 20 days RF Range: 10 M Packaging & Delivery Packaging Detail: Neutral Packing/ OEM Packing Delivery Detail: 15~25 days Specifications 2013 Hot product patent mould wireless bluetooth headphone 1. 2013 hot new products 2. Patent mould products 3 Direct factory 2013 Hot product patent mould wireless bluetooth headphone Features: 1. High quality Stereo music playback support 2. Support Bluetooth V2.1+EDR 3. Extra compact design 4. Special Multi-function button design for easy operation 5. Support Hands free and headset profile &nb
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 bluetooth headphone for MP3/mp4/mobile/tablet pc 1.bluetooth 2.support mp3 3.support card reader function,1GB-32GB skype: batterystar bluetooth headphone for MP3/mp4/mobile/tablet pc 1.bluetooth2.support mp33.support card reader function,1GB-32GB Specification:S3 function description>input voltage:+3.7(lithium battery) >load current:16*2 >support mp3,wma,wav format aydio file>Maximum current sound:less than 1MV >working current(power dissipation):less than 40MA,battery can have 10 hours of continuous play >support card reader function,1GB-32GB >support usb sound card funtion >short press recording button enter record mode.meanwhile,recording indicator light flashing slowly >in the recording process,short press the record button to stop recording.At the same time playing just of recording documents.long press the record button enter the recording file,press"up"and "down"button to choose the file which you need to