mp3 board , mp3 player, usb mp3 player Product DescriptionDetailed Product DescriptionSupport USB/TF/SD/MMC card, MP3, FM radio, remote control, FAT 12, FAT 16, FAT 32, five different rank file folders, and the number of music up to 9999; five kinds of EQ mode: POP, ROCK, JAZZ, CLASSIC, BASS, USB and SD can be exchanged anytime, bi-color LED showing the working condition. with digital display, FM ...