... nameUSB /SD mp3 decoder with fm radio for car audio Mode No.ES-317MVoltage3.7V-5V FM radio frequency ... Disk and SD card to play musicApplication Mini reader, Car audio, Audio combination, Electronics toy and so onShell color Black or ... is storage.Product including:MP3 decoder, shell,controllerApplication:Ordinary audio combination,Car audio,multimedia speaker,Subwoofer, AV amplifier, ELectronic toy and ...