Supports recording, direct switch of external signal; supports Bluetooth 3.0 EDR, auto switch of USB/SD/Bluetooth/FM/LINE; with built-in MP3 / WMA decoding chip; supports 32G max. USB, SD, MMC music play; supports USB / SD switch, previous, next, fast forward, fast backward, volume adjustment, EQ, play / pause, stop, single cycle, mute, power off, direct music; supports Bluetooth wireless control previous, next, volume adjustment, EQ, play / pause, stop, mute, power off; supports FAT16, FAT32 system; supports MP1 Layer3, MP2 Layer3, MP3 Layer3 music, 32~320kbps MP3; with power off memory; 2.0" screen.