1. Supports sampling rates (KHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
2. 24-bit DAC output, dynamic range support: 90dB, SNR support: 85dB
3. Fully supports FAT16, FAT32 file system
4. Maximum support 32G TF card
5. Support U disk to 32G, 64M bytes of NORFLASH
6. A variety of control modes are available. IO control mode, serial mode, AD key control mode
