... SD CARD reader 2, Amazing sound effect 3, USB/SD/MMC/FM/AUX 4, Cheap price SB/SD Micro Music System with FM radioFunction descriptionSupport SD/MMC card ... Radio programs, in the collection bag Support USB and SD card multimedia playbackSupport play MP3, WAV, WMA audio compression files ... from U disk and SD card, high performance decoder and AD/DA conversion, audio signal ...