Brand Name: SUPERTEMPO Model Number: ST-BS05 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: stock Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: pink,red,black,orange Range: 10M Battery: 3.7 V 600 mAh,rechargeable Charge Time: 2-3 hours Standby time: About 6 hours Frequency Range: 2.40GHZ-2.480GHZ ISM Band Radio Emission Standard: CLASS 2 Sensitivity: 80db Indication: red and blue Frequency Response: 20HZ-20KHZ Packaging & Delivery Packaging Detail: each in gift box Delivery Detail: 15 days after confirming the order Specifications 2013 Newest cheapest high quality Bluetooth Mini Speaker Material:Metal Color:pink,red,black Range:10m CE,FCC,ROHS 2013 Newest cheapest high quality Bluetooth Mini Speaker Version Bluetooth V2.1+EDR Battery &
Specifications battery powered speakers 1.with usb/sd/FM 2.power:120W 3.woofer:15inch 4.bluetooth speakers best battery powered speakers bluetooth speakers for sale
Brand Name: WM Model Number: WM06 Use: Portable Audio Player,Mobile Phone,Computer Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: black,gold,red,blue,gree,pink.... Packaging & Delivery Packaging Detail: retailed packing Delivery Detail: 2-3 working days after confirming the payment Specifications 2013 hot sale bluetooth speakers,portable speakers 1,hot sale 2,fashion desig 3,competitive price 4.fast shipping 2013 hot sale bluetooth speakers,portable speakers Details : Mini Multi-function speaker with bluetooth*supports for A2DPV1.2 and AVRCPV1.4 Profile:*With high level of integration , low cost and low power*Bluetooth standard V2.0*Support A2DPV1.2 and AVRCPV1.4Profiles*Work with all sound source with 3.5 audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc*From a range of up to 10 meters from the speakers, wirelessly stream music from any Bluetooth-enabled device such as your mobile
Specifications bluetooth speaker 1,Portable, enjoy music everytime 2,Attractive out apperance 3,many color 4,MP3,MP4,iphone 2013 hot!!bluetooth speaker Brand NameIIPOWERMaterialPu or according your requirementType Speaker Colorprovide the pan toneFunctionsound intensifierOccasiontraveling,hiking,camping,outdoorSizeAccording to the customerdesignfashion,unique,leisure Power source1.5*2 AA batteryCertificationRoHs,CE SpecificationsSpeaker bag,Portable speaker bag,Equipped with a powerful stereo sound speaker system,listen and share your music anywhere.Features: speaker bag, portable speaker, mini speaker bag, MP3 Speaker bagCarrying Bag with Speaker Integrated for MP3 Player Design, practical and robust Carry and protect your Ipod ,mp3 player anywhere you go.
Specifications bluetooth speaker 1.for mobile phone,MP3,computer.. 2.Support TF card 3.Bluetooth Remote Control 4. LED screen card speaker
Specifications Stereo bluetooth player bluetooth speaker Unique metal shell stereo bluetooth module RF distance: 10M Stereo bluetooth player bluetooth speaker Wireless portable mini Bluetooth stereo speaker systemSaves you from the hassle of tangled wiresCrystal clear soundCompact and portable, convenient to carryLets you enjoy your favorite music in stereo sound wherever you areDescription:
Specifications 1. bluetooth speaker 2. rechargeable built-in lithium battery. Bluetooth speaker with built-in lithium battery. Perfect sound with super bass Features: 1.Fashion design,pocket size 2.Bluetooth version:3.0 Specification: 1. RMS: 1*2 W 2. Frequency: 200Hz-20KHz 3. Speaker uint: D 45mm
Specifications Protable bluetooth speaker 1)Frequency response:180Hz-20KHz 2)Power input:USB DC 4.2V 3W 3)Input sensitivity:92dB Protable bluetooth speakerNumber:BW0103121 Features:1.Material:ABS2.Sound box size:95 * 90 * 60 mm3.Stream music via Bluetooth wireless technology4.Portable Bluetooth wireless speaker with compact vacuum bass design streams music and hands-free calls.5.Bluetooth Ver. 2.0:Hands-free, AVRCP, A3DP, automatic connection,only one time pairing 6.AUX-in for easy connection to almost any electronic device7.Product size:96*92*54MM8.Output: RMS DC4.2V 2W THD+N=1%,9.Frequency response:180Hz-20KHz10.Power input:USB DC 4.2V 3W11.Input sensitivity:92dB12.Range:15meter effective range. Packing:color box Other:1.This product exported Mexico, the United States, Poland,Canada,Engl
Brand Name: Bluetooth Model Number: P101 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Yunnan China (Mainland) color: white Packaging & Delivery Packaging Detail: original pack Delivery Detail: 3 to 6 working days after confirming your payment Specifications -- Life like sound -- Always ready to go Portable wireless bluetooth speaker Speaker type:Portable speakerAdjust method:touch sensitive buttonFunctions:bluetooth audio input, bluetooth handsfree, Mp3, LINE IN, SD cardPower supply:DC5V(USB), Built-in lithium battery 420mAhRated power:2.2W S/N: >80dBS/N: <0.5%@(1KHz)Frequency respones: 90Hz-20kHz Audio connector: 3.5mmSize: Φ110x30mmPlaying time: 4 hoursWeight: 138gOther charact:
Brand Name: Orange Model Number: OT-T Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Colour: Various colors OEM: Accepted Shipping term: DHL,USPS Fedex,HK post, EMS Payment term: T/T,Paypal,Western Union,Escrow Delivery time: 3-5 workdays Weight: 500g Specificity: Wireless,portable,mini Packaging & Delivery Packaging Detail: Retail package Delivery Detail: 5 days Specifications 2013 High quality/newest bluetooth speaker,mini bluetooth speaker: 1.High quality 2.Retail package 3.Fast delivery 2013 High quality/newest bluetooth speaker,mini bluetooth speaker : Features: Model number DOSS DS-1168 Output power 1.5WImput DC voltage DC5.0V Power supply 3.7V 1000mAh Li-ion battery Frequency Presponse 65Hz-20KHz FM Radio Yes Remote control Yes Audio Source PC,MP3,MP4,MD,CD,DVD player, Mobile phone,etc Other detail information:1. Shipping1) Smal
Brand Name: Defan Model Number: DF-DHF001 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: red,blue Material: ABS+ Aluminum Unit size: 5.8*5.8*5.6 CM MOQ: 500PCS packing: color box warranty: one year certification: CE,FCC,ROHS Packaging & Delivery Packaging Detail: color box Delivery Detail: 7workdays after payment Specifications mini bluetooth speaker 1.ABS+ Aluminum 2.fast delivery 3.one year warranty 4.CE,FCC,ROHS certification Newest Mini Bluetooth Wireless Speaker, Rechargeable and Portable 2012 new mini wirelessBluetoothspeaker with hands free for mobile phone(music angel bluetooth speaker Product Description It is an ultra-compact portable Bluetooth stereo speaker w.Compatibl
Use: Home Theatre,Portable Audio Player,Computer Special Feature: Portable Packaging & Delivery Packaging Detail: color box/ gift box Delivery Detail: 8-15days Specifications blue tooth speaker 1:Portable design; 2.It can be used to connect with many bluetooth devices. Blue tooth speaker1. Metal case design2. Unit size:60*50mm3. TF card slot4. USB HOST5. Music File Format: MP36. FM Radio7. Line-in(connect to MP3, MP4, PC, Laptop, etc)
Brand Name: Telewonder Model Number: TLW-B11 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Portable Audio Player,Mobile Phone,Karaoke Player, Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini,Wireless,Portable,Mini Place of Origin: China (Mainland) Function: support TF card,USB,FM,MIC, hands-free calling, Bluetooth function Color: Silver, Blue, Red, lividity Certificates: CE ROHS FCC Battery: 450mAh enough power Support: FM radio Support MIC: hands-free calling function Minimum Order Quantity:: 500 Piece/Pieces Packaging & Delivery Packaging Detail: gift box, or customized clients's package Delivery Detail: 15days after receipt of your 30% deposit. Specifications New coming Mini bluetooth speaker 1) TF card,USB,FM,MIC 2) super sound,LED flashing light 3) Remote 15M 4) Hands-free cal New coming Mini bluetooth speaker The TLW-B11 is a pocket-sized speaker that delivers big sound. A rechageable Li-ion ba
Specifications Bluetooth Speaker 1) Mini Gift Speaker 2) Phone speaker 3)MP3,MP4,ipod,mobile, phone,laptop 4)CE & Rohs mini bluetooth speaker for phone1.fashion design2.bluetooth speaker3.for mobile phone4.OEM,ODM Features:Working with any 3.5 mm stereo jack, perfect for laptops, phones, portable game devices, MP3/MP4 players, etcSize defying sound - Vacuum bass design provides amazing volume and bass response in a small space-saving speakerBuilt-in rechargeable battery - Long-lasting rechargeable internal li-ion batteryWith audio cable and plugs for connecting to audio source, you can charge speaker while listeningveries kinds of colors and designs for your choiceSpecification: Frequency Response180Hz~20KHzImpedance4Ω Output3.7V, 300mA, 3WInput5.0VSpeaker Size(Φ) 36mm Battery 300mA rechargeable battery Charge Time DC5V-2.5hrs;USB-4hrs Signal and noise ratio ≥80dBVolume control yesQuality best quality There are some pictures for you: ----------Sp
Brand Name: JXD Model Number: X-16 Type: Active Use: Home Theatre,Portable Audio Player,Karaoke Player,Computer,Stage,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: 30pcs/ctn Delivery Detail: 3-7days Specifications 1.Portable Mini-boom 3.5mm Bass Bluetooth Speaker 2.Output power: 3W 3.Excellent sound quality 4.Suitable for notebook Model:JXD-X16Features: Bluetooth speakers,Power on/off controlOutput power: 3W Incorporates space-saving design Excellent sound quality Suitable for notebook and smart phoneImpedance: 24Ω Frequency range: 60 to 20Hz Acoustic audio frequency input connection: 3.5mm stereo 1. Portable Bluetooth Mini-boom 3.5mm Bass Mini Speaker 2.Output power: 3W3.Excellent sound quality 4.Suitable for notebook laptop5.1 year Gurantee Features:--P.M.P.O:280W --Frequency response: 88Hz-20KHz --S/N >50dB --Size: 74*74*45mm
Specifications 1.Portable, hanging portable design 2.Bluetooth wireless 3.Variety of classic color for choice 4.phone handsfree 2013 New Hot Sale Bluetooth Speaker! Mini Bluetooth Speaker Portable For Iphone/Ipad Product size74* H59 mmGiftbox size12.4*8.8*6.5cmCarton Size36.5*34.5*24.5cmG.W.13.0KGPCS/CTN40PCSBluetoothversion: V:3.0 frequency: 2.402-2.480GHz Max Power Output: 3W MIC Sensitivity: -32db Receiving Sensitivity: Better than +82dbm Distance: 10 Meters Data Transmission: UP to 3Mbps(over the air) UART DataTransmission: 115200bps VoltageCharging: 3.7V-4.2V DC Working: 4.8V-5.5V DC CurrentWorking: 200MA Quiescent Current: >1UA Battery Capacity650MAHAntennaBuilt in TF CARD Slot TF CARD Slot Voice prompt Voice prompt FM Function FM Optional Computer card reader Support Computer sound card Support Specifications 1. phone handsfree 2. TF Card Slot for mp3 files; 3. Bluetooth speaker:3.&n
Specifications 2.0 Bluetooth Speaker Bluetooth Hi-fi System Built-in Amplifier Super Bass and Power Saving FCC/CE/ROHS Fanntech Bluetooth Speaker - FT201 Wireless 2.0 Bluetooth Speaker with Woofer Radio Bluetooth Music Frequency TransmissionThis Bluetooth Speaker supports Bluetooth music frequency transmission and remote control. Features:Bluetooth Hi-fi and Super Bass SystemWireless music streaming loud volumeEngineered for exceptional clarity of soundPowerful built-in amplifier for a surprisingly loud volume without distortionCompatible with non-bluetooth devices connected through the line-in cable500 mAh high-capacity Lithium battery for up to 6 hours continuous playback(Line input up to 10 hours)Line input for wired playbackCompatible with all devices featuring bluetooth or a 3.5mm jackBluetooth protocol: 3.0 + EDRSpeaker output power : 4Ω 3WCompatible with all standard USB chargers (PC, Car, Mains)Compatible with:Bluetooth Speaker support Apple, Android and BlackBerry
Specifications mini bluetooth speaker stereo sound very goods quality support TF card OEM welcome bluetooth speaker support TF cardstereo sound very good quality welcome buy sample test the quality 1, Single-channel portable bluetooth speaker.Compatibel with:iPhone,iPad, table pc, notebook etc( include all device with Bluetooth function)2, Supporting TF card and with AUX input3, Using low-frequency enhancement technology4, Using anti-breaking sound’s technology5,Loudspeaker : 4Ω 3W6,Working voltage: 3.7V, worked by Lithium battery built-in (400MAH), working current 300MA7,Supporing TF card ,with charging function, charging voltage: 5V, the charging current : 100MA8, SNR more than 95DB, Frequency Range: 60HZ ~ 18KHZ, THD less than 0.5% &nbs
Specifications 1)Play music while charging your phone wirelessly 2)With bluetooth and handsfree 3)With alarm clock 4)Time and temperature New 2013 Wooden Bluetooth Speaker with Wireless Charging for Mobile Phone Specifications: Item:Bluetooth Wireless Charging Speaker (SXi-S324)Bluetooth Ver.:2.1Bluetooth profiles :A2DP, AVRCP, HFP, HSPBluetooth distance: 10 mFrequency response:60Hz - 20KHzOutput power :RMS3W +3 WSpeaker :4Ω 3W 1.5inSignal-to-noise ratio :> 70dBDistortion :<1%Power Adaptor: AC100-240V 50/60Hz DC 19V 800mA Product size:221*140*68mm N.W:810gCable:3.5mm Jack audio cable Packing List Speaker*13.5mm Jack audio cable *1Power adaptor*1User manual*1 Highlight Features:1. Pure wood, texture surface,stylish appearance.2. Integrate clock, alarm,speaker and thermometer function in one.3. LED digital display, high sense touch key.4. 3.5 mm stereo line-in cable for playing other audio devices.5. Easily paired with Bl
Brand Name: oumu Model Number: OHM-X7001 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,Outdoor Channels: 3 (2.1) Special Feature: Wireless Place of Origin: Guangdong China (Mainland) color: black/white wireless: remote control for iPhone/iPod: docking iPhone/iPod Packaging & Delivery Packaging Detail: 1 gift box in 1 carton box Delivery Detail: 10 days for sample,45-55 days for order Specifications 1.2.1CH bluetooth speaker 2.docked&charging iPhone/iPod 3.usb/sd card/aux in/line in 4.floor standing 5.60 watt Product Feature: Cute piano finishing wooden multimedia tower. Rediscover your music!Audio system with your speakers, tweeter and integrated subwoofer. 1. For iPhone/iPod/PC/TV/ MP3 bluetooth speaker 2. iPhone /iPod dock&charging3. Digital amplifier4 .Built-in subwoofer on the base,2.1CH system5.Wooden box6.Design for floor stand7. Video out from iPhone8. Aux in & 3.5mm Line in for audio input9. Remote control
Specifications Bluetooth Speakers Y1 1.Bluetooth 2.0 2.Bluetooth Stereo 3.Distance: 10m 4.DC 12V, Power 4X4W, 4 Imported Speakers
Specifications private mould protable bluetooth speaker factory price, good quality OEM welcome ! 2013 new private mould HiFi bluetooth speaker With LCD display Support NFC , FM ,CLOCK,ALARM,and TIMER SWITH Description: Power:10W*2 RMS 10% THDSpeaker size: 3’x2With LCD displayFrequency Response: 20Hz-20KHz Support Bluetooth and MIC,With DSP audio process ,and EQ,DRC Support NFCSupport AUX IN(3.5MM),TF(APE/FLAC)Support FMSupport touch key (6pcs)Support CLOCK,ALARM,and TIMER SWITHWith adapter:DC13.5V/2AWith LI-ion 1100MA/7.4vWith Remote controlHIFI speaker units,clear acoustic quality,low distortionSubbass speaker units,acoustic quality more purity
Brand Name: ADIKA Model Number: ADK1220 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Bluetooth RF Wireless: Built-in Bluetooth Stereo Sound: Support Bluetooth Function: Yes Working Time: 4 Hours Charging Time: About 3 Hours Power: Rechargeable Li Battery 3.7V 600mA Signal To Noise Ratio: >80dB Frequency Response: 20Hz-20kHz Transmission Distance: 10m Bluetooth Model: V2.1+EDR Packaging & Delivery Packaging Detail: Color Gift Box: 13.5*9*7.5cm Delivery Detail: 1-3 days for samples, 3-7 days for 100pcs Specifications Bluetooth Speaker 1. RF wireless 2. PC Speaker Function 3. Bluetooth function 4. Answer the Phone Call New Arrival Portable Colourful Bluetooth Speaker Main Features:1.Bluetooth Function2.Transmission Range: ≤10M3.Working Time: 4 Hours4.Answer the Phone Call Specifications: Music Player Via Bluetooth PC Speaker Funct
Specifications 1) Built in 400-500mA rechargeable battery 2) Working Range: 10meter 3) Support Hand Free Call Function 4) bluetooth speaker 2013 Best Outdoor Wireless Bluetooth Speaker with USB and Power Supply Infomation:Bluetooth version:Bluetooth v2.1+EDRWorking Range: 10meterBuilt in FM- RadioSupport Micro SD Card Music PlaySupport Hand Free Call FunctionBuilt in 400-500mA rechargeable batteryWorking time: 3-5hoursSupport A2DP V1.2, AVRCP V1.4 profiles;Support Line-inDistortion: <0.5%Frequency response: 20HZ-20KHZLoudspesker output: 4Ω3WSTN: ≥85±2dBWith LED indicating when workingEasy operation with Voice promptsUnique design with good sound quality About our factory AVIC-CH International Shenzhen Co.,Ltd is the subsidiary company of AVIC International which was established in 1979 with 7 listed companies and it is a public technology governmental hold-controlling group with 50,000 employees and the modern enterprise management syst
Brand Name: BTfrii Model Number: SMS-200 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: China (Mainland) Specifications BTfrii SMS-200 Portable mini Bluetooth Speaker. Wireless and Rechargeable Battery. Play your music Anywher Anytime SMS-200 Portable mini Bluetooth Speaker Wireless and Rechargeable Battery! Play your music ANYWHERE ANYTIME! Capable of delivering powerful sound and hassle-free wireless pairing. Our Bluetooth speakers are perfect choice for convenient and high quality sound Specification Special FeaturesWireless, Portable, MiniChannels2BT VersionV3.0+EDRBluetooth Operation RangeUp to 10m awaySupport ProfileHeadset, and Hands free (A2DP, HSP, HFP)RMS Power3W, quality Speaker, Super BassAudio FormatMP3 or WMAOperationPlay/Pause/Stop/Forward and ReverseBatteryRechargeable Lithium Battery, 4hoursAc
Specifications 1. Long Bluetooth Speaker 2. Good sound 3. Stereo Speaker 4. Connect to mobile phone 5. Various Colors YPBH-W093 2013 NEW Long Bluetooth Speaker Fashion color SPCIFICATION *Bluetooth version:ver3.0+EDR*Transmission distance:up to 10 meters*Output power:3W*2*Horn size:2*1.5"4 ohm inner magnetic horn*Frequency response:80Hz-19KHz*Input sensitivity:800mv 1 KHZ*Signal noise ratio:>=85dB*Degree of distortion:=<0.6% PO=2W*Input voltage:DC5V 500mA*Rechargeable battery:polymer lithium battery 3.7V800mAh*Chargeing time:about 3 hours*Playing time:about 5 hours*Net:240g*Size:155x40x58mm PICTURE COMPANY PROFILE Yinphone accessories Inc. has been dedicated in mobile phone accessories such as battery packs, chargers, faceplates, LCD and leather cases since 1995. Now we have added PDA accessories, digital camera battery packs and chargers to our business line.
Brand Name: Lowin/OEM Model Number: LK-705B Type: Active Use: Portable Audio Player,Karaoke Player,Stage,Outdoor Channels: 2 (2.0) Special Feature: Portable Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Standard Export Packing Delivery Detail: 35 days Specifications Good bassbluetooth speaker New design bluetooth speaker OEM bluetooth speaker Good soundbluetooth speaker Bluetooth speaker usb with guitar input/USB/SD/FM/wireless MIC Model: LK-705Bpacking size:37x38.5x22cm (pair/2cartons) Specification:Optional:wireless/bluetooth/color/ MIC,Remote/ Guitar input Output power: RMS 55wFrequency Response:30Hz-20Khz Rated impedence: 4 ohm SNR: > 89 dB Speaker units: (6.5" *1)+1.5"*1 Woofer Description: 1. Trolley speaker Built-in USB and SD memory card function, Support MP3 music format2. Trolley speaker With FM Radio/ MIC/Guitar input 3. With Karao
Brand Name: Longlinke Model Number: bluetooth speaker Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Table PC/Laptop Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) specification: Volume increase/Next one overview: Bluetooth 3.0 wireless Material: PC+ABS Product size: 210*67*67mm (About 100g) Support: DC slot Colors: black+orange, black+blue, black+green or your customized Packing: Color gift box Output power: 2 * 3 W RMS Frequency Response: 150Hz~12KHz Styple: BT speaker, built in battery, hand free kit, Line in, FM, TF,USB Packaging & Delivery Packaging Detail: Color box Delivery Detail: 2-3 weeks Specifications bluetooth speaker *Bluetooth 3.0 wireless *Built in battery *Handsfree call *Easy to use in car,office etc 2013 Hottest portable rugby shape Mini Bluetooth Speaker for mobilephones with microphone&hands free functionThis Bluetooth speaker stand for
Brand Name: EST Model Number: EGR Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) speakers: mini speakers Packaging & Delivery Packaging Detail: as your request Delivery Detail: within 20 days after sample approved Specifications Name:Bluetooth speaker 1,The price is reasonable 2,high quality Channel:Stereo &nbs
Specifications 1.Bluetooth speaker for iphone/ipad/ipod 2.With a 3.5mm universal audio interface 3.Built-in long-lasting lithium battery Bluetooth speaker for iphone/ipad/MP3/MP4/Mobile Phones Your kind enquiry is welcomed,my friend!!!Let's creat mutual benefit together !! Products Description: This product uses the standard Bluetooth chip with 10M Bluetooth transmission distance. It supports iPod, iPhone, iPad, mobiles and MP3, MP4 with Bluetooth stereo function.- Built-in long-lasting lithium battery. Convenient to users. Users can use it in bedroom or anywhere freely to enjoy the music.- Use class D miniature digital amplifier circuit with high-performance, low-power consumption.- With six functional operations, including the audio switch, play / pause, volume + / - , previous, next.- With a 3.5mm universal audio interface that supports for multiple audio player.- Mini USB charging interface design. Users can use USB interface of the PC device, or USB