5.Touch light mode
Turn on/off the button lights.
6.Sound settings
Equalizer: Choose from the 6 sound effects,
or choose "off" to turn off equalizer.
Speaker on\off: Turn on/off speaker.(There is no
speaker built-in M2)
Volume limit: Adjust the maximum sound volume.
7.Date and time
Set Date and time on the MP3 player.
8. Format device
Delete all data in Mp3 system.
9.Information
View system info and memory space on the device.
10.Factory settings
Reset system to factory setting.