1.DC 5V power ,stereo audio output
2.Support mp3 audio files playing
3.SD card ,USB memory suppported upto 16GB
4.Start playing once power on,with memory function after power off/on
5.With play/pause,next,previous,vol-,vol+ , EQ, Repeat funtion
6.SD /USB switch function
7.Romote function is optional
8.FM,alarm,and display function can be extended.