Feature:

• 24 -bit DAC output, support for dynamic range 90dB , SNR support 85dB
• Fully supports FAT16 , FAT32 file system
• A variety of control modes, I/O control mode, serial mode, AD button control mode
• Advertising sound bites, sound effects 
• Audio data sorted by folder, supports up to 255 folders, each folder can hold up to 1000 songs
• 30 level adjustable volume, 6 -level EQ adjustable.