Power on
Long press power switch for 3 seconds until the screen displays.
Power off
In the main menu, long press the power switch for 3 seconds until the
screen disappears,otherwise you will be prompted with several watch faces
to choose from(to exit please long press the center of the screen).
Date & Time Settings
During the initial use, you should set up the time and date. The city where
the watch is located, as well as the time and data and other items can be
set.
Lock and Unlock
In any screen, press the power button to enter the clock mode, press again
to lock screen. In lock screen state, press the power button to enter the
clock mode, long press the screen again to unlock.