3. What are the button operation of M5?

In player mode: When the screen is on (non-lock screen clock), hold or press the volume button briefly to adjust the volume, press the power button briefly to turn the screen off/on; When the screen is off (or lock screen clock page), press the volume button briefly to adjust the volume, hold the volume button to skip to next or previous track, press the power button briefly to turn the screen off/on.

In Bluetooth receive mode: press the volume button briefly to adjust the volume, hold the volume button to play next track or previous track; press the power button briefly to play/pause; double-click the power button to turn the screen off/on.