Compatible devices:
USB flash memory ( USB 2.0 )
USB flash players ( USB 2.0 )
SD card
Supported formats:
File formats: FAT, FAT12, FAT16, FAT32, exFAT
Audio formats: MP3, WMA, WAV
Maximum support 32G USB and SD Card.
(If USB or SD card is larger than 32G, the
playback and record function can not be
worked normally).