User's Manual

4、USB port
USB: mainly use to connect mouse and U-disk
5、Keyboard quick keys and Sketch photo And the function key description
function ： esc=back to home F1=mute F2=Voice down F3=voice up F4=play/stop
F5=souching F6=share F7=device F8=setting F9=front F10=back
F11=up to next page F12=down to next page