Applicable models: general motors, motorcycles, electric vehicles, electric tricycles, moped, pedal cars, DV 12V modelsFunction: bluetooths, voice prompt, call display, call voice report, mobiles phone call, bluetooths play, USB play, TF card play, FM radio, USB phone charge, AUX audio input, Burglar alarm, remote wireless remote control, LCD display, receive/hang up call, waterproof, mobiles phone chargeMultifunctional design, waterproof, faster and easier installation, button design in front, more convenient operation.Waterproof motorcycle stereo speaker built-in bluetooths wireless and AUX wired function and power amplifier.You can stream the stereo music wirelessly and answer the call from the bluetooths mobiles phone, or any other device with bluetooths adaptor.Name: Motorcycle bluetooths AudioWorking voltage: DC12VPower: 2 x18WOperating temperature: -30~60 CelsiusSupports:TF card/ USBSupported: MP3 formatWireless Controll Distance: 100mFrequency:100Hz-20KHzFM Frequency:87.5-108mhzcolour: silver + blackMaterial: plasticsize: 3.5 inchPackage Contents: 2*audio1*remote control2*support1*harnessOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.