Motorcycle MP3 SD FM USB Player Subwoofer Waterproof with Bluetooth FunctionDescription:100% Brand newBuilt-in intelligent audio decoding chip to feel the Hi-Fi Music.Support to input Mobile Phone、 Tablet、 MP5、 GPS and so on audio equipment.Specification:Cable Length: About 2.5mSize  of the host: 12cm x 8.5cm x 4cmMaterial of the host: aluminium alloySong format: Mp3、 Wave、 WmaPlay Medium: USB、 SD Card、 FM Radio、 Bluetooth、 AUXSPL: 110dbPower of the Speaker: 35W( One Speaker)Voltage of the Speaker: DC 10-18VMaximum operating current: 10AUsing Manaul:Turn on\/ off button also is the Mode button、 when you turn on the item、 please press the button to choose the mode you want、 it goes through stages ofTurn on--Bluetooth--USB--SD Card--FM Radio--Turn offAbout the Bluetooth Function: When you enter the bluetooth mode、 there will be a voice prompt、 the host will match the last mobile phone、 it there is no phone to match it before、 it will match the new phone、 the host bluetooth name is " GOLDMOTTO"、 if match successfully、 there is a voice prompt. When the bluetooth be cut、 there is also a voice prompt.Wiring instructions:Red wire--positive poleBlack--negative poleRed hat wire--FM Wire(Straighten it、 the FM Radio effect would be better)Note:1.About option choosing、 choose the style #1. If you only want to order one host and one controller、 please contact  our online customer service.2.Electric vehicle is not recommended to use this items、 because the power of the items are a little big、 the converter of Electric vehicle would be broken.3.The speakers needs professional man knowing well about soundproof to be install.4. If the volume is too loudly、 the voice may be a little bit husky、 but normal volume、 it voice would be great.Package Included:1 x Host2 x Speakers1 x Controller