How do I turn my Watch Pro on and off?

1. How to turn the Watch Pro on: When the Watch Pro is off, press and hold the button to turn it on. 2. How to turn the Watch Pro off: (1) When the Watch Pro is on, press and hold the button to display the Restart/Shutdown selection interface. Tap to select Shutdown, and the Watch Pro will turn off automatically. (2) When the Watch Pro is on, in Settings, select the System menu, enter the shutdown options, tap Shutdown, and the Watch Pro will turn off automatically.