Specifications Exclusive Brand Mini New Bluetooth Speaker Wireless Portable High Quality 2.OEM/ODM factory Exclusive Brand Mini New Bluetooth Speaker Wireless Portable High Quality
Brand Name: QS Model Number: QS-SPEAK04 Type: Active Use: Portable Audio Player,Mobile Phone,Outdoor Channels: 2 (2.0) Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) Color:black/red: Frequency range: 200HZ-16KHZ Sensitivity: 80db±2db: Distortion: â¤0.5% Speaker size: 40mm: Power input: USB/DC5V Power supplier: 3.7V/1000mah: Charging time: 2-3 hours Playback time: 4-6 hours: shell material: ABS Packaging & Delivery Packaging Detail: 1.1pcs/opp bag or blister card 2.According to customers' requirements. Delivery Detail: 3-5 working days after payment ,or depend on the order quantity Specifications Specifications mini portable bluetooth speaker 1)CE,RoHS,one year warranty 2)USB interface,Bluetooth Features: 1. Portable style with rechargeable back -up battery, it is swesome for the one love music 2. Perfect industrial design, human and nature,exquisite workmanship 3. Ingenious and fashion outline with a
Specifications bluetooth speaker: > Metal Sense Design > Bluetooth wireless audio transmission > With phone handsfree > CE ROSH bluetooth speaker Specifications: » Max power output: 3W » Frequency: 2.402-2.480GHz » Sensitivity : -32db » Distance : 10meters » Working Voltage: 4.8V to 5.5V DC » Battery Capcity: 600MAH » Amtenna: Build in antenna Packing Details: 1> Product Size: W74mm*H59mm 2> Gift box Size: 124*88*65 mm 3> Master Carton Size: 45.5*35*27 CM 4> 50pcs/CTN 5> Weight: N.W: 18.0KG G.W: 19.0KG Container Loading Qtys: A. 1*20GP: 31,250 piec
Specifications Wireless Bluetooth speaker with microphone Portable, rechargeable, conference use. 3W*2, , suitable for indoor and outdoor The Avantree Pacifica is a portable wireless speaker. With fully duplex speakerphone, long music time, long wireless range and remote control features, it can connect with any Bluetooth enabled devices and delivers superb sound quality. * Connect wired or wirelessly via Bluetooth, or 3.5 mm audio cable ; use it with multiple devices to play high quality music, movies, games and more
Specifications bluetooth speaker with microphone with SIRI function private mode bluetooth speaker CE, ROHS, FCC, BQB one year warranty Specificationsbluetooth speaker with microphone with SIRI function private mode bluetooth speaker CE, ROHS, FCC, BQB one year warranty 2013 latest stereo bluetooth speaker with microphone
Specifications wireless mini bluetooth speaker: 1.EDR technology 2.8 hours play time 3.aluminum case, >10M RF range 4.MOQ: 500pcs wireless mini bluetooth speaker : Specification:wireless Bluetooth speaker with microphone for PAD BS-05 Bluetooth VersionV2.1 with EDROperating Distance10mBatteryBuilt-in rechargeable li-on polymer batteryCharging PlugA/C chargerDimensions136.2mm*160.6mm*55mm*20mmHeadset Weight120gVOIPSupportMultipoint TechnologyNoMusic StreamingYesMulti-function Button On/OffYesStandard Bluetooth Features*YesStandby Time (hrs)150Supported ProfilesA2DP,AVRCP, Headsets, Handsfree,V2.1 with EDRTalk Time (hrs)6In the Box1 AC charger1 3.5mm audio cable1 User manualOther SpecificationsCompatible with most of bluetooth enable audio devices,including computer/laptop and Bluetooth enabled mobile phone,MP3/MP4,IPOD,PAD,etc.Up to 25 meters in working distance whern you are listening to the music(open space)Stylish headphone design.
Specifications Bluetooth Speaker 1) With Mic 2) Support TF Card 3) With Line-in function Output power:3W ( 1KHz,THD 10% )Bluetooth Function 1) Play music from Micro SD 2) FM Function Built in Mic 3) With line-in functionproduct size6*6*7cmFrequency Response:1KHz - 20KHZbox size10*10.5*9.6cmLoud Speaker:4Ω 3WCarton size:53.5*22*32.5cmSignal and noise ratio:≥85dBQTY/CTN:30pcs/CTNOutput:3.7V*500MAN.W/G.W:11.5KG/ 12.5KGInput:5.0V20'GP: Accessories40'GP: 1)USB power supply cable2)3.5mm audio Cable 40'HQ:
Specifications bluetooth speaker: 1. mini portable bluetooth speaker 2. unique shape and new design 3. touch button speaker 4. good price Touch Button Bluetooth speaker for iPad iPhone Galaxy Tab and smartphones technical parameterspower2.5W*2MateriaABS PlasticsizeL*W*H=140*65*30 (mm) weight171g features and functions1.Touch-sensitive buttons Play stereo music from any A2DP sourceAux line in for portable music players 2.dual track 3.Built-in stereo Bluetooth transfer technology 4.Detachable and rechargeable battery,up to 8 hour music playing time 5.Functions: - Switch on / off, Pairing Transfer stereo music from any A2DP source or other portable music players,volume adjustment 6.compatible with: iPad iPhone Galaxy Tab and various smartphones Packaging/Carton SpecificationsProduct size140*65*30 mm Packaging size195*90*50 mm &n
Brand Name: Gsou or OEM Model Number: H100 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Stage Channels: 3 (2.1) Special Feature: Wireless Place of Origin: Guangdong China (Mainland) Specifications 1. 2.1Channel Bluetooth Speaker 2.Powerful woofer 3.Bluetooth 4.0 4.2*3W+5W woofer 5.Aux-in Jack The Gsou H100 2.1Channel wireless Bluetooth speaker is an affordable way to enjoy great-sounding tunes anywhere in your home or office. Pair it wirelessly with any compatible stereo Bluetooth-enabled device and you get good audio without the mess of wires. Features: 1,Bluetooth wireless audio without attaching a cord to your Bluetooth enabled stereo device 2. Dual 3" drivers and super bass for dynamic, powerful sound 3.Compact and sim
Brand Name: AVAID Model Number: AV-8303 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Specifications 1, 2013 hot portable bluetooth speaker 2,tiny, popular 3,answering the phone calls. 4,MP3 player. 5,listening music 2013 hot bluetooth speaker with MP3 player answering phone calls while walking, hiking item specification: Bluetooth specification: CRS 3.0 Normal charging time: about 3-5 hours Frequence response: 35HZ-20KHZ Playing time: 4-6 hours Operating distance: ≤10-45 meters The lowest noise: 0.2 mV Nominal power output: 1.0W Charging voltage: USB 5V/500mA Peak power: 15 W Signal/ noise: 85 dB&
Model Number: JHM-B001 Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Rated power: 2.5W Material: Plastic output: 5 V Horn: 2 w / 4 Ω Size: 53.5*66mm NW: 178g Quality: High MOQ: 1000PCS Price: Factory direct price Packaging & Delivery Packaging Detail: 100PCS/CTN GW/NW: 24.3kgs/23.3kgs Delivery Detail: 20-30days Specifications high quality mini bluetooth speaker 1.Audio revolution 2.Good sound quality. high quality mini speaker portable styleMaterial: plasticRated power: 2.5 W * 2frequency response: 100 hz - 20 KHZ signal-to-noise ratio, or 85 b output: 5VPower supply: circulating rechargeable lithium battery horn: 2 w / 4 Ω - unique Hamburg to box modelling- stereo bluetooth module- receive ten meters- heavy bass effect, the stereo output- built-in high capacity lithium battery- suitable for iPhone, iPod, mo
Specifications 1.Bluetooth speaker 2.Perfect sound quality, outstanding bass effect 3.Meets the latest Bluetooth 2.1+ED standard 1.Built-in Bluetooth RF wireless module, meets the latest Bluetooth 2.1+ED standard2.Support Bluetooth stereo sound, perfect sound quality, outstanding bass effect3.Support iPhone, iPad and all telephones which have Bluetooth function4.audio transmission distance is 10M.5.With Bluetooth music controlling function, can control play/pause, previous/next song function6. Power supple mode: Built-in lithium battery; USB cable power supply.7. With Bluetooth hands free function, built-in high fidelity chip, can answer calls8. With 3.5 stereo audio jack, can connect into many device: laptop/computer, telephone.MP3/MP4…9. Coloful light twinkling 10.Rated power:4 Ohm 3W11.Speaker: 1.75 inches12.Sensitivity:80dB+/-2dB13.SNR:>/=80dB14.Di
Brand Name: Happy travel Model Number: BS001 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: Guangdong China (Mainland) colours: red, white, blue, silver Packaging & Delivery Packaging Detail: inner box with export carton Delivery Detail: 7-10days Specifications 1.Re-chargeable Li Battery 2.Bluetooh and USB audio line input 3.Working distance 5-20m 4.built in microphone Hot selling bluetooth speaker Specificationbluetoothv30RF range12-12mTHD≤0.5%Freqency Response20HZ-20KHzworking voltage/current3.3-4.5Vsignal to nosie85±2dbHands free functionyesFM radidoyesTF cardyesloudspeaker output4Ω3wcharging voltage/currentDC5V USBbattery capacity600mAhcharging time1-2hourspayback time4-5hours Features( Mini bluetooth wireless speaker):1. Accord with bluetooth V3.0
Brand Name: Prevailing Model Number: P-CSQ3B Use: Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Customized Packaging & Delivery Packaging Detail: White box,color box,blister package,can be customized. Delivery Detail: 15-30 days for different purchase quantities Specifications Bluetooth speaker, Sound bluetooth for iPhone,Samsung,iPod Built-in rechargeable Lithium battery OEM color 3.5mm audio jack Bluetooth speaker for iPhone,Samaung,able to OEM color Bluetooth speaker,Sound bluetooth for iPhone,Samsung,iPodBuilt-in rechargeable Lithium batteryOEM color3.5mm audio jack Features and Descriptions : - Bluetooth speaker, - Unit size: 85x85x55mm -Bluetooth speaker to play music wirelessly with any digital player that has Bluetooth system, such as compute
Specifications Portable Mini Bluetooth Speaker with MP3, Support TF card 1.Excellent sound 2.Fashionable look 3.Bluetooth handsfree functio Mini Bluetooth Speakers manufacture factoryThus the best possible price advantage to provide consumers with the best quality. New Mini Bluetooth Speakers with Hands Free Function ----------Features----------------------------------------------------------1. High Glossy Surface 2. Easy access volume control3. Excellent Sound Performance4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops ----------Specification----------------------------------------------------- Basic InformationMaterial Stainless steel + ABSAvailable ColorBlack, Silver, Blue, Red,Tarnish,Net Weight250 gSize60*60*50 mmLogoOEMAccessoriesUSB cable, audio cable, user manualPacking infoGift Box 62*62*75mmCarton Size
Specifications 5.1 bluetooth speakers Portable Rechargeable can connect with any bluetooth device for music Support phone/Laptop SpecificationsHigh quality Wireless Bluetooth Stero Speaker For iphone/Mobile/MP4 1.high quality 2.factory price Detail information: MOQ 2000 PCSdaily capacity 2000-2500 pcs/dayPackagegift box ,skin packing delivery time 15-25 days after depositpayment L/C,T/T , West UnioncertificatesCE, FCC , ROHS etcmain marketAsia , North America, Central/South America, West Europe, Mid East/Africa service OEM / ODM serviceshellABS plastic or aluminumWarranty1.5 year Description: Support phone/Laptop .Tablet PC , TF card (Mini
Brand Name: wesent Model Number: wst-827 Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor,wash room Channels: 6 (5.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: white, yellow, black, pink, blue S/N: 80db frequency: 65~20KHZ sensitivity: 86db Packaging & Delivery Packaging Detail: blister box Delivery Detail: 3~25days Specifications 1.portable bluetooth speaker with microphone 2.handsfree phone call 3.stereo deep bass speakers 4.waterproof function Features:1.waterproof bluetooth wireless speaker2.with microphone, wireless handsfree phone call3.with tf card mp3 player4.fashion design, portable5.waterproof function, excellent for use in wash room.6.easy paste the wall, car, desk... And easy move, very convinent and fashion.7.charge battery. Specifications: 1.Input sensitivity: 300M
Specifications this product is own design Functional:Bluetooth audio input,Bluetooth speaker phone,Line in,IF Card Technical parametersSpeaker Type:Mini Bluetooth SpeakerMediation:Press-buttonSpecial Feature:Wireles,Portable,Mini,Line in,TF CardPower:DC 5V ,Lithium batteryLoudspeaker out put:3WSpeaker Unit: 36mmSignal -to-noise:>80DBDistortion: <0.5%@(1KHz) Freqeuncy Response:90Hz-20HzJack:3.5mmImpedence: 4Ω Working time:4 hours &nb
Specifications Bluetooth waterproof portable bluetooth speaker 1.Transfer distance:10M 2.waterproof 3.Support bluetooth Bluetooth waterproof portable bluetooth speaker Specifications: Bluetooth 3.0+EDR (2.4G Hz Transmitting Frequency)Play MP3 format music fron MP3/mobile/computer/TF card etc; With LED screen & FM rario Support USB/ TF card for 16G at most with rechargeable li-battery Support bluetooth and calling function For iPhone 4/4s/5, iPads, iPods, Android, Galaxy, Laptops, HTC phones, and anything else that is bluetooth enabled!Transfer distance :~10M (the distance depends on the bluetooth device and environment).Power: DC 5V- 100-120mAOutput : 3W3.7v 400mAh lithium Battery3 hour charging time6 hour operating timeIPx4 grade waterproofWeight: ~0.1kgColor: Blue,Green,Red Features: 1.Lets you enjoy your
Brand Name: OEM Model Number: B15c Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) NAME: Speaker Usage: MP3 Player color: customized size: portable shape: regular quality: good feature: bluetooth origin: china certification: CE/ROHS MOQ: 1000pcs Packaging & Delivery Packaging Detail: gift box or blister Delivery Detail: 25days Specifications stereo bluetooth speaker 1.Hands free 2.with USB slot 3.Lithium battery stereo bluetooth speaker for laptop iPhone iPod MP3 MP4 smartphone with microphone Support Bluetooth Ver. 2.1,AVRCP, A3DP, automatic connection, only one time pairing Technical specifications: &
Specifications 1.2012 bluetooth speakers 2.OEM design 3.MOQ:1000pcs 4.For kinds of sound equipment Specifications 1.Good quality and competitive price. 2.OEM and ODM are available. 3.We can make changes according your request. Why you should choose us? 1. Reply < 12 hours 2. Delivery time > 95% 3.Quality Control > 100% 4.After-sales Service > 100% 5.OEM >7 years experience 6.Provide more than 2000 kinds of item with mold 2012 bluetooth speakers picture show: Item name2012 micro bluetooth speakers Size8*3.5mmWeightApprox 0.6 Grams Magnet Material Nd-Fe-B Impedance8± 15% Ohm at 2000Hz. 1.0V Power rating Normal 0.2w Maximum 0.3w FO1280±20% Hz S.P.L 79±3dB/0.2Watt 0.1Meter. Average At1000,1182,1504,2000Hz Frequency range FO~20,000Hz.Average SPL-10dB Distortion 10% Maximum
Brand Name: Leyice Model Number: bluetooth speaker LYC-YX19B Type: Active Use: Portable Audio Player,Mobile Phone,Computer Channels: 4 Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) Product name: bluetooth speaker Rated power: 3.0W Frequency range: 100HZ-20KHZ Distortion factor: less than 0.5% Working voltage: 3.7-4.2V Selling point: mini/ clear bass/ portable/ high cost effective Business type: manufacture Color: white, black,blue , red Sample leadtime: 1-2 days Transmition distance: 10m Packaging & Delivery Packaging Detail: bluetooth speaker packaging : 1 set/box, 500 box/ctn , standard export carton , safe packaging . Delivery Detail: 15-25 days for bluetooth speaker Specifications mini bluetooth speaker 1.Material: SS+ABS 2.Rated power: 3.0W 3.clear bass 4.used for iphone ,ipod, smartphone ,tablet Clear bass mini bluetooth speaker high quality Product details 1>product name : bluetooth spe
Specifications 1) Bluetooth speaker 2) Use for iPhone,iPad,PC 3) 3W HIFI sound,10M range 4) 3 color available 5) Gift package DOSS Asimom wireless bluetooth speaker for iPhone 3W HIFI sound Gift package Products Description:1) Model number:DS-10422)Compatible with: iPhone,iPad, table pc, notebook etc( include all device with Bluetooth function)3)Dimension: 60mm*57mm4)Bluetooth:Bluetooth V2.1+EDR(A2DP)5)Bluetooth profile: <10M( According to environment and mobile phone Bluetooth device, transmission range have some different)6)USB charge voltage:DC 5V7)Power output: 3W8)Battery: Built in li-ion battery, 3.7V 450 mAh9)Playtime: 4 hours(Volume open 50%)Package included:1 x Mini Bluetooth Speaker2 x Cable1 x Manual1 x Bag
Brand Name: kawata Model Number: KT-91 Type: Active,Emergency / Portable Use: Mobile Phone,Mobile Phone, Outdoor Channels: 1 Special Feature: Wireless,Wireless, Portable Place of Origin: Guangdong China (Mainland) Color for choice: white, black, grey,and so on Feature: Arabic and English talking, two handsfree Fitting 1: Bluetooth connecting , wireless Fitting 2: Re-charging iPhone Fitting:: user manual, color gift box Product Name: High Quality Base Dock Charger for iPhone Packaging & Delivery Packaging Detail: Normal giftbox and bubble bag Qty/CTN:20PCS. CTN size: 45.9 x 37.0 x 46.6cm CTN GW: 16.6kg Qty/1x20'GP: 6660PCS Qty/1X40'GP: 13840PCS Qty/1X40'HQ: 17420PCS Measurement of carton: 0.078CBM Delivery Detail: 25-30 days after received order details and deposit Specifications -Solar bluetooth speaker -CE,REACH,ROHS, -Radiation -Charging accessory -Bluetooth handset Solar bluetooth speaker &nb
Specifications High quality 2.1EDR 5 Play Time Rechargable stereo Wireless Bluetooth Speaker for ipad other music device Best price Hot sale 2.1EDR Rechargable stereo Wireless Bluetooth Speaker amplifier for ipad other music device Portable Rechargable 2.1EDR stereo Wireless Bluetooth Speaker 2.1EDR speaker Style 8-10 Hours Play Time Rechargable stereo Wireless Bluetooth Speaker for ipad for iphone for any mobilephone which is support bluetoothColor: silver speaker impedance: 4 (Ω) origin: ChinaImpedance: 4 (Ω) speakers size: 80 X80X42 (mm) type: the 25 thSound box structure: sealed speakers interface: bluetooth receiving the mediant unit: noAppearance material: metal lift/high attenuation: 80 (dB) bass ascending/attenuation: 75 (dB)Speaker unit size: 50 (mm) brand: ISUNBOM sensitivity: 80 (dB)The frequency range: 100-20 (Hz) peak power: 3 (W) distortion degree: 1 (%)The most loudly level: about 30 Lord sound speaker unit: 1 tweeters: 1Weight: 0.12 (kg) applicable oc
Brand Name: S10 Model Number: S10 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,ipad,pda Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: white mini: mini bluetooth speaker USB charging line: yes hands-free function: yes Charging Time: 1~2hours Playback Time: 7~8hours TF card: yes RF range: 5-10 meters design: Extra concise design connection: bluetooth Packaging & Delivery Packaging Detail: Package Content 1 set of speaker and mini 5 pin USB charging cable Delivery Detail: 3-7days Specifications Bluetooth Speaker 1.Mini wireless bluetooth speaker 2.Support all devices with bluetooth function 3.Excellent sound qualit 2013 Hottest Portable Mini Bluetooth Speaker with microphone and hands free function for mobilephone,iphone,PC. Speaker Specification: 1.Comply with the latest bluetooth specification:3.1+EDR2.playback time can up to 8 hours3.sup
Brand Name: epic Type: Active Use: Portable Audio Player Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: retail packaging Delivery Detail: 1~5 days depend on different order quantity. Specifications Waterproof Bluetooth Speaker 3.0 Bluetooth Waterproof Speaker Wireless Bathroom Speaker Waterproof grade: IPX5-IPX7 Fashion Waterproof Bluetooth Speaker,3.0 Bluetooth Waterproof Speaker,Wireless Bathroom Speaker 1. latest 3.0+EDR bluetooth standard.2. music playing as long as 8 hours.3. support bluetooth stereo.4. high sound quality, shocking bass.5. audio transmission distance: 10 meters6. Support iphone/ipad, all phones that support bluetooth stereo, MP3, MP47. unit size: 74*60*52 mm.8. simple and fashionable designing.9. waterproof button design.10. plastic jacket, fashionable and top-grade.11. cooperate with iphone, ipad and other smart phones, enjoy the pleasure of movie-watching and game-play
Brand Name: Cote Model Number: CoteBS-Q3 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Size: 123.5*49.5*25mm Weight: 190g Color: vaious colors Warranty: 1 year Certificate: CE Packaging & Delivery Packaging Detail: Gift box for each one, and then pack in carton box.50PCS/CTN Delivery Detail: 3-7 days after confirm the order Specifications New design wireless bluetooth speaker Manufacture direct selling ,Best price,Best quality,Best servies OEM Speciification:1. Easy connection, no wires. 2. Built-in rechargeable battery 3. Works with all Bluetooth-enabled devices 4.Without docks or cords, the speaker can be carried from room to room or thrown in a bag. 5.Enjoy sound quality and volume unparalleled for a speaker of its size New design wireless bluetooth speaker Featrues: NameBluetooth SpeakerModel&
Brand Name: Wisdigi Model Number: SP-508 Type: Active Use: Portable Audio Player,Mobile Phone Special Feature: Portable,Mini Place of Origin: China (Mainland) Packaging & Delivery Packaging Detail: color gift box Delivery Detail: 25days Specifications bluetooth speaker 1.mini wireless 2. Latest Bluetooth V3.0 EDR support 3. HD voice support 4.answer calls hands-free mini wireless bluetooth speaker Productions Features: 1.Comply with Bluetooth 3.0 + EDR standard, it can be connected to your cellphone or other Bluetooth device via wireless Bluetooth. 2. Lets you enjoy your favorite music in high-quality sound. 3.Offers a wireless connection range of 10 meters (33 feet) 4.Allows you to stream music from Bluetooth enabled devices such as cell phones,iPhone, iPad, PDAs, MP3 players, PCs and laptops. 5.Simple switch on the bottom of the unit.Play, stop, prev,next, phone call. &nb
Specifications wireless bluetooth speaker with microphone 1.mini bluetooth speaker 2.with microphone 3.best quality 4communication function wireless bluetooth speaker with microphone1.mini bluetooth speaker2.with microphone3.best quality4.communication function 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 Response 180Hz~20KHzImpedance 4Ω Output 3.7V, 300mA, 3WInput 5.0VSpeaker Size(Φ) 40mm Battery 300mA rechargeable battery Charge Time DC5V-2.5hrs;