This Motorcyle FM radio 1.Have FM radio function. 2.Supports wma, mp3, TFcard and USB. 3.Wire control. 4.Input/output motorcycle FM radioEQ effect ... : Flat/Jazz/Rock/POP/Class 1.Have FM radio function2.Outlook size: 120* 73*32mm3.Supporting: wma, mp34.Supporting: ... information.wire control working style is as below drawing: Motorcycle FM radio 12V audio system