Specifications:

1. Support sampling rate (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 support FAT16, FAT32 file system, maximum support 32G TF card, support 32G U disk, 64M byte NOR FLASH

4. A variety of control modes are available. IO control mode, serial port mode, AD button control mode

5. The broadcast language insertion function can pause the background music being played. After the ad is finished playing, return to the background sound and continue playing.

6. Audio data sorted by folder, up to 100 folders, 255 tracks per folder

7. 30-level volume adjustable, 6-level EQ adjustable

8. Support for Arduino