1.High-quality audio output, can access 1W 8Ω speaker

2.With the BUSY output

3.Support mp3 format file

4.SPI interface, SPI Flash download

5.With real-time clock and calendar clock module function

6.An ADC key interface, support for MP3 function keys of the five criteria

7.With a special function keys, play the next song Press once to achieve, and the song cycle tracks

8.Long press to copy the contents of the TF card to FLASH

9.Supports RS232 communication can be controlled through the serial port or analog serial

10.With a TF card socket, support TF card to play

11.With a USB interface pins, support U disk player

12.Support off-line copies of the content of the TF card or U disk to the SPI Flash