Specifications bluetooth speaker 1.for MP3/MP4/MP5 player. 2.use-friendly and durable. 3.fashionable design. 4.color can change as you nee MP3 Speaker *One wrieless VHF microphone with antenna*One wried microphone input*Two way input select*USB/SD card reader function with PREV/ PLAY/ PAUSE/NEXTcontrol* Volume control for wried and wriesless microphone* Volume control for AUV/USB/SD card input* Music tone control*Power/Charge /Low Battery LED indicator*DC12V input RMS4WDriver DimensionL.R: 50mmx2 4ΩFrequency Response250Hz - 18kHzBatteriesAAA1.5x4 DC 6-9VDimension195*60*70mm
Specifications high quality wireless portable small bluetooth speaker Support FM automatic searching up to 10 meters Line in function CE KOHO Company Profile: 1.KOHO is leading professional manufacturer of digital consumer electronics.2.The area of factory is 10,000m2,500 workers and above 50 engineers with above 10 years of experience in the electronic fields.3.We have many SMT machines and with enough assembly lines, with full test system.4.Main Products:Digital Photo Frame,Tablet PC, Game player, Advertising player, Waterproof speaker, and some other popular electronic products.I5.SO9001 ISO14000 certification to meet the strict quality requirements of our customers.4.CE,FCC,Rohs,UL certification to meet the standard certification all over the world.5.OEM and ODM productionWe always try to find best way to offer a quality products and service with competitive price Specification1. Connect with cell-phone and computer with bluetooth function Wireless receiving ,Avail
Specifications 1)With Microphone Bluetooth Speaker 2)270 degree volume adjustment 3)OEM/ODM 4)Certificate:BQB,CE/RoHS 5)Fine Metal material 270 Degree Volume Adjustment Airbender U100 Mini Bluetooth Speaker 1.Feature:Bluetooth Speaker 2.1+EDR with rechargeable Lithium batteryNew patent exclusive brand bluetooth speakerFashion design 270 degree volum adjustmentHigh quality audioConcise and noble designFine matel materials and exquisite workmanshipFive colors can choose, silver, blue, black, silver, pink Airbender Bluetooth Speaker Specification: Power Output3WBluetooth2.1+EDRDistanceup 30MetersAudio Socket3.5mm Stereo JackFrequency90HZ-20KHZSNRMore Thaan Or Equal To 95dbDistotion FactorLess Than Or Equal To 0.5%Impendence40hmPower SupplyBuild-in Lithium Battery Or Use USB Cable Or DC 5v AdapterFunction(Optional)Microphone 2.Detail Photos for your check: Five colors you can choose: Packing box : Front Side &
Brand Name: OEM Model Number: CW-BS106 wireless bluetooth speaker Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Model: wireless bluetooth speaker AUX audio: 3.5mm jack Main features: Bluetooth handsfree+ Intelligent voice prompt+TF card reader Color: Red,Blue,Black Packaging & Delivery Packaging Detail: gift box ,50pcs / ctn Delivery Detail: 1-3 working days Specifications 1.wireless bluetooth speaker for beat 2.mini bluetooth speaker 3.Bluetooth handsfree function 4.TF card reader Wireless bluetooth speakers for beat , tablet pc , mobile phone CW-BS106 1.wireless bluetooth speaker for beat2.mini bluetooth speaker3.Bluetooth handsfree function4.TF card reader Item NoCW-BS106Main featuresBluetooth handsfree+ Intelligent voice prompt+TF card readerProduct infoSize150x45x65mmWeight458gColorRed,Blue,BlackBluetoothBluetooth specificati
Brand Name: VEAQEE/MOVISCOM Model Number: Hot New The Black Cat Speaker Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage,Outdoor Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Product: Mobile phone Speaker: Color: black blue brown pink gold green yellow silver white Use 3: FM radio: Use 4: 3.5 AUX Channels: 5(4.1): Use: Home Theatre, Portable Audio Player, Mobile Phone, Packaging & Delivery Packaging Detail: blister packing,color packing box Delivery Detail: 7~15days Specifications Mobile Phones car Speaker 1.Support U disk, Mini SD Card,TF Card, etc 2. MP3, FM radio channel, 3.High quality,good voic Fortune Cat Bluetooth Speaker, OEM Fortune Cat Bluetooth Speaker, Best Fortune Cat Bluetooth Speaker Manufacturers 1.Description and Specification:TF/USB card player 1.100% and high quality2.The machine search radio sta
Specifications Wireless Bluetooth Speaker 1.With Microphone 2.AUX 3.Built in battery 4.For desktop,laptops,cellphone,tablet PC etc Wireless Bluetooth Speaker with Microphone Hands Free Specification: *Basic Function: Bluetooth + AUX + Hands free*Color: black/red/white*Related Power: 2W*Input Power: Power adaptor/USB 5V /Lithium battery*Bluetooth Protocol: V2.1+EDR Class *Fre.Range: 2.4G*Working Distance: ≤10meters*Separation: 82dB*Distortion: 1%(3.7v,1KHz,1w)*SNR: 80dB*Working Voltage: DC3.7V*Charging Voltage: DC5.0V*Battery Capacity: 400mAH(built-in)*Impedance: 4ohm*Amplifier Type: D Type*Speaker Size: 1.5inch*1 Terms & Conditions: Trade termEXW, FOB, CIFMinimum orderYou can order single item as sample. MOQ only 10PCSAccept mixed style, mixed color orderPayment termsT/T , Alibaba Escrow(Bank Trans
Specifications 1.Mini wireless bluetooth speaker 2.Support all devices with bluetooth function 3.Excellent Sound SpecificationBluetooth 2.1 Support A2DP V1.2Operating distanceUp to 10 metersOptional colorYellow, blackOutput power3W(Max)Working time4-6 hoursCharging voltage 5v +/- 0.2vLithium battery life3 yearsCharging time Around 3 hoursFeaturesHands free function: The bluetooth speaker will have the sound out when there is a call coming in if the speaker already connected with Bluetooth audio devices. External AUX input function:Turn on the bluetooth speaker and connect the 3.5mm audio cable to the speaker; it will auto go in to the external line-in mode with green les flash slowly.Call-back function
Brand Name: GEP Model Number: GP-503 Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 1 Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) Output power: 2.5w*2pcs Speaker unit: 2w,36mm,4ohm style: new design delivery time: very short color: customized Packaging & Delivery Packaging Detail: colored box Delivery Detail: 15days Specifications Mini bluetooth speaker 1.Built-in Li-battery 2.Transmission range:20m 3.Power :2w 4.single speakers Mini digital bluetooth wireless ipod speake for iphone /mp3/laptop 1.Compatible with iPhone,iPad,notebook etc(include all device with bluetooth function)2.According with bluetooth V2.1 + EDR3.Transmission range: about 20m4.USB charging voltage:DC 5V5.Output power:2w6.Built-in Power:Li-ion Battery,3.7V/500mA.7.Battery lifetime:6 hours8.Charging time:2 hours High sound quality and short delivery time are our advantages.Welcome your sample order . &n
Model Number: GF-AY-98 Use: Mobile Phone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Blister packing Delivery Detail: 1-2days Specifications 1.Bluetooth Speaker AY-98 2.Bluetooth Speaker with FM and Card Reader function. 3.Can read SD/MMC Card, U disk 1.Bluetooth Speaker AY-982.Bluetooth Speaker with FM and Card Reader function.3.Can read SD/MMC Card, U disk; MP3/4 Player and mobile phone music4.4w, 80-18k (Hz)5.Mini Bluetooth speaker
Specifications Bluetooth speaker microphone *Call ID and time show *Reject Answer & Hang Up Calls *Mobile anti-lost *Player music Bluetooth speaker microphone Fashion Watch, Innovation Design- Material: OLED + PC + Silicone- Size: Male size & Female Size Distribute Bracelet - Color: red, white, black Key Features- Fashionable Watch, time display- Can connect with any Bluetooth Cell Phone- Vibrate when calls coming in, won’t miss any call- Easy to reject, answer and hang up phone calls- Play music from your cellphone, can adjust volume- Mobile phone anti-lost function Technology Spec.:Bluetooth Version: V2.1Working frequency: 2.4GHzWorking voltage: 3.6V-4.2VWorking current: 45mADuration of Charging: 2-3 hoursStandby time: 72 hoursBattery category: Li-battery External charger spec.:Input Voltage: 110-240VFrequency: 50HzInput current: 0.15AOutput voltage: 5.7VOutput current: 600mA Bluetooth Bracelet With Microphone and SpeakerSili
Specifications best Sound with bass Mini Bluetooth Speaker 1.high quality 2.competitive price 3.fast delivery 4.service you ready to rock ! ? Wireless factory price best Sound with bass Mini Bluetooth Speaker with package .easy to control .wireless.Clearly Sound.Strong bass.durable Remarks: 1).We supply wide range of mobile phone Parts and accessories2).Payment method:We accept payment of T/T(Telegraphic Transfer),Western Union.3).Delivery time:2-3 days after full payment.Large quantity depends on the stock. Within about 7-10days after receipt of your order payment;4).Shipping Methods:We always ship the goods by specialized express company like DHL,UPS,EMS,FEDEX,air and sea It's a door to door service and fast to receive the goods.We also ship the goods as customers asked.5).Quality control:We have professional QC team;Each product is through shrict test with inspection machine and inspection before shipment.6).Gua
Specifications Bluetooth speaker: 1. owning the function of call decline and phone callback 2.can be used for 4-8 hours each time Bluetooth speaker : Painted by rubbe oil, High-grade fineness and fine touching feel,made with environmental protection material, small and portable, delicate and cool.owned wireless phone function, especially suitable for people who are driving, safe and no radiation pollution Equipped with an answer button, which owned decline a call and phone callback function Equipped with 3.5 mm audio cable and Micro usb cable, owned audio play and charge function Supports breakpoint memory mode, can automatically memory the songs you quit play last time and patterns The microcomputer power in the Speaker usb can automaticly and quickly charge lithium battery stereo audio input, can be connected to laptop computers and all kinds of audio-visual products can be used 4-8 hours continuously when completed chargedMax output power: 3 wlithium battery voltage: 3.7
Specifications 1.Wireless bluetooth speaker 2.Wall mount installation 3.Auto sleep for power save 4.Can externally connect with a 60W speake ZH-7001E Newest 60W Wireless Bluetooth speaker Product information:Rated power: 60W (can externally connect with a 60W Passive speaker )Unit: bass6.5"×1+tweeter1"×1Frequency range: 2400-2482MHz SP radiation range:barrier-free for 30 metersSnsitivity:-90dB SNR:90dB Distortion:<0.1% Installation mode: wall mountedIntelligence: compatible with the campus broadcast system, priority for PA system, auto Sleep for power saving.Power:AC220V±10%50Hz-60HzDimnsion:285×215×195mm Net weight:4.4kgFactory & Certificates:
Specifications 1.new style wireless bluetooth speaker. 2.working when you connect TF card/computer/mp3/mp4/cell phone/tablet PC etc. materialaluminium alloy+ABSsize59*-59*55mmweight72gcolorsilver,red,green,blue etcMOQ500packinggift box 1.Various colors for your choose,such as red,silver,black,gold.Warmly welcome OEM requirement. 2.Stereo sound,buildin Li-ion battery,rechargeable from usb port. 3.Bluetooth wireless receives function,remote control distance: Up to 10m. 4.Work when you connect TF card/computer/mp3/mp4/cell phone/tablet PC etc.(cell phone,tablet PC etc requests bluetooth software installing) 5.Speaker: 4Ω 3W. Package including:
Specifications New portable sound box bluetooth speaker with handsfree function for 2013 *Mini digital sound box *Wireless,handsfree,portable New portable sound box bluetooth speaker with handsfree function for 2013 specification: 1.Rated power:1.5W 2.Frequency Response:80HZ-15KHZ 3.Total Harmonic Distortion:<1% 4.Signal to Noise Ratio:≥50dB 5.RF Range:10m 6.Perfect Sound quality 7.Bluetooth version:V2.1+EDR 8.Battery life time:6 hours for music ,3.7 500mAh 9.Available in colours: Yellow, Bluetooth,White, Grey 10.Product dimensions:72.6*72.6*78mm 11.Support TF Card,Iphone,Ipad and all other mobile phones with bluetooth function,such as PC,MP3,MP4 etc
Specifications Kaidaer Bluetooth Speaker Specifications 1. Easy connection, no wires. 2. Built-in rechargeable battery 3. Works with all Function:1, the output frequency: 3 w RMS THD = 10%2, frequency response: 150 ~ 1800 hz3, the signal-to-noise ratio: 90 db or higher4, the speaker: 2 inches in 52 mm (diameter), 4 ohm5, store, download: download USB cable directly6, the power input: USB power cable goods 5 v / 500 ma, the ac power adapter7, bluetooth connection: the default boot in FM state, press twice MOOD audio will sound, mark has been transferred to the bluetooth connection, then you can proceed to the bluetooth connection, with a new bluetooth devices, mobile search found OVC3860 pairing connection after the new equipment, enter the password (0000), and play music after matching success, namely into bluetooth play mode.8, the bluetooth indicator light Chang Liang for connection to the outside sound playback.
Brand Name: OEM Model Number: YD106 Use: car shape Special Feature: Portable Place of Origin: Guangdong China (Mainland) Material: ABS logo: silk color: red, white package: gift box/customized Battery: DC5V-1000MA Power Supply: Built-in Battery, Mini USB Range: 10 meters Bluetooth Version: Bluetooth V2.1+EDR Size: 250*105*55mm Packaging & Delivery Packaging Detail: gift box/customzied Delivery Detail: 20 working days after sample confirmed(depends on stock) Specifications Bluetooth VersionaaBluetooth V2.1+EDR Frequency Responseaa20HZ-20KHZ Rangeaa10 meters SNR aa80dB Power Supply: Built-in Bat Car shape bluetooth speaker CSRResolution:RDASize :250*105*55mmColor: White BlackMaterial:ABSBluetooth Version:Bluetooth V2.1+EDRFrequency Response:20HZ-20KHZRange:10 meters SNR more than 80dBPower Supply: Built-in Battery, Mini USBBattery :DC5V-1000MAsupports bluetooth calling and hands freesupports play memories for the last musicsupports TF cardssupports FM 87.5-108MHZ
Specifications Mini bluetooth Speaker Doss TF card slot MIC answer calling Wireless Speaker Hurricane silicone rubber Wireless portable The first open the box at the bottom of the switch to hear the prompt after the tone and see the light , long press " Play / Pause " button , the tone again , and the indicator light flashes quickly explain speakers already can be found in state . Bluetooth search function to open the phone or tablet PC , users will search for the device name "Hurricane" . Connection , enter "0000" , can be determined. After the connection is successful , we can watch movies , listen to music , watching videos or playing games , very convenient , but not the cable design . The speakers comply with Bluetooth V2.1 + EDR (A2DP) specification to achieve the effective transmission distance of 10m . Tested in a normal office environment , to reach 8m absolutely no problems in the living room and other shelter less environment can reach 10m , su
Specifications Mini portable bluetooth speaker Aluminium alloy+Acrylic shell FM radio/line in Mini digital speaker Colors LED lights Mini portable bluetooth speaker with flash LED light and fm radio Specifcations: Output:R M S 6W(3W+3W)THD=10%
Specifications portable bluethooth speaker 1.long time battery 2.touching control screen 3.handsfree with mic 4.vibration bluetooth speake We produce kinds of mini speaker, portable speaker, usb speaker, 2.0 speaker, computer speaker, bluetooth speaker, laptop speaker, mp3 speaker, multimedia digital speaker, etc. Our Advantages: 1. Professional, only produce mini speaker 2. Creative, many products with patent protection and new models keeping come out 3. Unique, many mini speakers with subwoofer that can rival with 2.1 speaker 4. Special, many products be with high gloss lacquer surface 5. Flexible, pleased to try different solutions for customers' oem/odm or price request 6. Ready, many products with CE,ROHS,FCC approval 7. Warmth, free samples may offered We expecting your kindly contacting ! Bluetooth Speaker Description Table Specification:Model NumberBT168 Bluetooth Ra
Specifications Bluetooth speaker BS-100 1.Portable wireless speaker 2.Connect by bluetooth 3.Using for PADS,PC, Mobile phone 4. Waterproof Waterproof Mini bluetooth speaker BS-100 2" wireless speaker using for PDA, PC, Mobile phone Specification:Model BS-100Feature Convenient Music Enjoyment from Bluetooth-compatible PCs, PDAs and Mobile PhonesBluetooth® 2.0+EDR with A2DP Compatibility for High Quality SoundSingle 2" Speaker for mixed Stereo Sound2W Amplifier Built InLower power consumptionWaterproof, and use in raining,snow environment etc.Speaker UnitSize2"Frquency ResponseWide RangeBatteryNameDry-battery or Ni-MH rechargable battery.(not included)Type/Model and Q'tyAA x 4SizeDimension(Device)12 x 12 x 12 mmDimension(Clamp)TBCContent:Bluetooth speasker 1 setUser menual Why Customers choose us?--High quality with high feedback
Specifications 1) Made of high quality silicone 2) Power 3W 3) Lithium battery 450mAh 2013 hot bluetooth speaker best Outdoor Wireless Bluetooth speaker Features: lBluetooth mini speaker with 3W output lDSP lA2DP lAVRCP lMic talking lHeadsets lBluetooth2.1+ EDR lNoise blackout extreme lOperating range up to 10 meters lRechargeable lithium battery 2013 hot bluetooth speaker best Outdoor Wireless Bluetooth speaker 2013 hot bluetooth speaker best Outdoor Wireless Bluetooth speaker
Specifications Portable mini bluetooth speaker 1.Speaker for MP3/MP4 Player 2.Speaker for Phones 3.Speaker for Laptop 4.Good quality Wholesale Mini Bluetooth Speaker Portable Design for Outdoor Activity Description:Portablet mini bluetooth speaker 1.Speaker for MP3/MP4 Player 2.Speaker for Phones 3.Speaker for Laptop 4.Good quality 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: Brand/Model NoProduct positioning and selling pointsBL-N8Sell points :parameter: Version V:3.0metal sense design;frequency 2.402-2.480GHz max power output4Wportable, hanging portable designMIC sen
Brand Name: OEM Model Number: mini speaker N8S Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,Outdoor sports Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) style: bluetooth mini speaker color: black,siliver,rose red,sky blue,gold yellow fit for: mobilephones light: LED functions: mic, TF card, FM radio Packaging & Delivery Packaging Detail: box package,carton packing, Delivery Detail: 3-7days Specifications bluetooth speaker 1.Bluetooth V2.0 wireless audio transmission 2. hanging portable design 3.withTF card/mic 4. paypal Portable bluetooth speaker aluminum with microphone and TF card reader & FM radio & USB charger port N8S Specification: *supports for A2DPV1.2 and AVRCPV1.4 Profile*With high level of integration , low cost and low power*Bluetooht standard V2.0 *Support A2DPV1.2 and AVRCPV1.4Profiles *Work with all sound source with
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
Brand Name: OEM Model Number: NT-BS001 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) Packaging & Delivery Packaging Detail: blister pack Delivery Detail: 25 days after order confirmed Specifications Mini Burger Bluetooth Speaker With Microphone 1.With perfect sound. 2.Built-in microphone. 3.CE.FCC.RoHs. Mini Burger Bluetooth Speaker With Microphone 1·Let you enjoy your favorite music in high-quality sound. 2·Expandable BXS (Bass Xpansion system) enhances the sound effect. 3·Support Bluetooth A2DP, Handsfree and Headset profiles. 4·Allow you to stream music from Bluetooth enabled devices such as cell phones, PDAs, MP3 players, PCs and laptops. 5·Offer a wireless connection range of 10 meters (33 feet). 6·Allow connection with non-Bluetooth audio devices that support 3.5mm au
Brand Name: JG Model Number: JGBS034 Type: Passive Use: Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor, ect. Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Function: Bluetooth;TF card;With phone handsfree Bluetooth: Wireless Bluetooth audio transmission For Phone: Hands free function Support: TF card Bluetooth distance: 10M Color: Many classic colors available FM Function: as customers'request Battery: lithium battery,200-500mAh (as your request) Playing time: 3-5 hours (according to the battery you choose) Packaging & Delivery Packaging Detail: standard package, or customers' package Delivery Detail: 2-3days for sample,7-15days for bulk order Specifications 1.bluetooth speaker,speaker,mini speaker 2.Output power: 3W 3.Excellent sound quality 4. For notebook,phone,mp3 Shenzhen Wholesale Wireless Car Shaped Bluetooth speaker,mini speaker,speaker Function Bluetooth;TF
Brand Name: speaker Model Number: VS-BTS-A9 Use: Portable Audio Player,A9 Portable Bluetooth Speaker with FM/MP3 Player Special Feature: Wireless,Mini Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Color box:132*58*32mm/ white box:166*110*50mm 50sets/carton Device's body:221.5g Carton box:560*342*260mm N.W:11.075KG ,G.W:12.075KG Delivery Detail: 20DAYS Specifications A9 Portable Bluetooth Speaker with FM/MP3 Player Function: 1. Bluetooth wireless transmission supported, with bluetooth, paired with various bluetooth enabled cellphones, computers, laptops, etc, such as Iphones, iPad, MAC 2. Compatiable with bluetooth cellphones, MP3/MP4/CD/PC/MAC/PSP, etc. 3. Volume down /UP, Previous / Next song 4. FM radio supported 5. lithium battery(plays more than 12 hours) or USB power supply. Specifications: 1. Input sensitivity: 300MV 2. Frequency range: 90Hz~20kHz 3. Signal-to-noise ratio: ≥80dB 4. Powe
Specifications 1. 300mAH Li Rechargeable Battery 2. Compatitable with Apple, Android, Tablet PC, Computers.through Bluetooth Mini Bluetooth Speaker for mobile phone or PC.. This product is a wireless Bluetooth speaker with call function.Built-in rechargeable lithium battery,ready to let you enjoy wireless music and make your life richer. If you want to mak tis Bluetoot speaker to play music,you must let the speaker sccessfully paired,with your Bluetooth device(such as a mobile phone or PC),The Bluetooth speaker normallyhave an auto match with the Bluetooth device without entering a password. Bluetooth Hands-free phone-talking:If your mobile phone is paired with the speaker successfully,the incoming call rings can be heard from the speaker,press the "answer"key to receive your call, press this key twice to rejuct your call,when the speaker in standby or music playback mode,press this key twice to auto dial the previous call number.&nbs
Specifications bluetooth speaker,usb speaker,bluetooth usb speaker 1: Bluetooth player mobile music, call (pay attention to the short boot Bluetooth built in order to connect a Bluetooth) 2: TF card inserted U disk3: LINE IN and FM: resonance function (better on a flat surfacecolorful lights effect)