M11 shops stores background music player

Background music in public places, to achieve unattended, as long as the power-on can be:

1, support SD card or U disk storage background music, easy to operate, easy to change songs
2, support boot Autoplay
3, automatic repeat all files
4, LED shows the state plays 
5, support for remote control operation, you can also remote selected songs
6, support for sound adjustment
7, stable and reliable
8, support for sound output, can output to a much later stage amplifier