1.
Play/pause button
2.
Previous song/decrease music volume level
3.
Mic volume +/-, slide switch
4.
Echo+/-, slide switch
5.
Music volume +/-, slide switch
6.
Next song/increase music volume level
7.
LED lights on/off
8.
Power on/off; mode: Bluetooth/Micro SD card/USB
reader
9.
Phone holder
10. USB charging socket
11. Micro SD card socket
12. Line-out socket
13. USB
connectionkage
Included
8