MP3 decoder board, USB/SD/MMC card, with digital display, support USB/SD/MMC card, MP3, FM radio, remote control, FAT 12.. Function and ... features:Support USB/SD/MMC card, MP3, FM radio, remote control, FAT 12, FAT 16, FAT 32 ... be exchanged anytime, bi-color LED showing the working condition. MP3 decoder board