On/off:
When turning on the watch, press and hold the side button for 3 seconds, then click "OK" to turn off the device
When the watch is off, press and hold the side button for 5 seconds to turn on the device
Basic gesture operation:
Swipe down to enter the "Settings" menu
Swipe up to enter various function modes
Swipe right to enter the message prompt page
Swipe left to enter the second page