Universal pcb Board -SD/USB,FM radio,LED -power on/off,last/next ... USB pcb board with FM Radio(Mini audio board) Function and features:pcb board for MP3/SD/USB, fm radio ... StaffProduct Line: mini Card& USB reader speaker, portable FM radio speaker, mobile speaker, active speaker, tower speaker ... speaker, ect.We can add USB/SD function and FM radio on multimedia speaker, mini speaker, active speakerRemarks ...