... DC5V power input socket8)Play MP3 format music from MMC/SD card, U disk. FM function, Frequency Response: 87 ... devices,no need to shift among U disk/SD/MMC card,MP3/MP4, it can automatically read the first ... ,Built-large-capacity lithium batteries3,support USB,SD,MMC card mp3 player songs.4,LED LIGHTS INSTRUCTIONS.5, ... .9.With FM radio, U disk and SD card read, radio frequency and songs can be displayed ...