The position of the gasket corresponding to the cable plug is covered with buffer foam.
A microphone pickup hole is set in the middle of the other side at the bottom of the case for voice pickup.
You might need to enable the feature first to start using it.
The bottom case of the watch has an L-shaped motherboard and the circuit at the bottom of the case.
Across the bottom are tabs for Health, Exercise which lets you start a workout or view the training plans , Devices for pairing devices, adding or managing music on the watch, firmware updates, and notification settings , and Me, which lets you adjust your profile and other settings.
The air pressure sensor of the watch.