How to launch Google Assistant?
You can launch Google Assistant in the following ways:
  • Swipe right on the home screen to enter the voice interaction interface.
  • Long-press the power button
How to activate Google Assistant by voice?
TicWatch’s Google Assistant can be activated through “Ok Google”. Enable “Ok Google” detection via Settings> Personalization. Refer to Get started with the Google Assistant on your watch Wear OS by Google Help for more information