1.24 -bit DAC output, support for dynamic range 90dB , SNR support 85dB;

2.Supports FAT16 , FAT32 file system;

3.Mp3,WAV files can be played;

4.Support up to 32GB SD card or up to 128Mbit SPI-Flash;

5.Support serial mode, AD key control mode;

6.Support advertising voices Intermittently playing ;

7.Audio files can be sorted by folders, supports up to 255 folders, each folder can hold up to 1000 songs;

8.30 level adjustable volume, 6 -level EQ adjustable.