Mpman BT20 - Manual (Page 10)

10
The usable time of battery electricity may be various
according to different volume, type of playing file and
pressing operation. The player can save battery as per the
set [Customized Power Off Time] or [Display Setting].
Music
Select “Music display” in main menu and touch “ ” to enter
into music playback status.
Touch “
M
” key to exit to main menu.
Video
Select “Video” in main menu and touch “ ” to enter into
Video playback status.