EQ - Press to change audio equalizer mode while playing music
Direction Pad 
UP – to increase audio volume
DOWN - to decrease audio volume LEFT - to select next item in the menu
RIGHT - to select the previous item in the menu
O- Play or Pause during the Music or Video mode
To operate your player:
Step 1 Charge your Player
Fully charge your player before 1st use
Charge the player for minimum 4 hours at the 1st time.
Charge from the USB port of a
PC
Turn on your PC, and make sure the PC is not in power saving mode while player is charging.
Avoid using a USB hub
(Note: while low battery 
icon appears, charge your player as soon as possible)
To charge the unit via the USB cable, simply keep the cable
4