Buttons and Control
1. Return (click to back to previous
menu; hold to back to home menu)
3. Submenu; Button lock/unlock
5. Previous/Fast rewind
7. Next/Fast forward
9. Volume+
11. Card slot
13. Earphone jack
15. Built-in Speaker
2. Short press to enter Bluetooth;
long press to access FM Radio
4. Move up
6. Move down
8. Enter/Play/Pause
10. Volume -
12. Power On/Off; Screen On/Off
14. Micro USB port
3