Solution:
Supports Screen display function. After turning on the watch, the watch will enter the off-screen display state after turning off screen display.
In the always-on display state, you can wake up the screen by raising your wrist or tap the button to exit the on-screen display.
Setting method: Watch settings -> Screen display-> On, you can customize the opening time period, the default time period is 07:00-22:00, enabling this function will reduce the battery life of the watch.
Note: When the screen is turned on, the screen will go black if you take off your wrist for 5 minutes; if sleep is detected at night, the screen will go black.