1. Home button.
A long press turns the watch on and off. Once on, a short press turns the screen on or off. Within a menu, press it briefly to exit the menu and return to the home screen or to pause/resume the sport activity you are performing.
2. Heart rate and oxygen sensor.
These sensors must be in contact with your wrist to take measurements correctly.
3. Charging connector.
Bring the magnetic end of the charging cable close to this connector to attach it to the watch. Connect the USB end to a USB charging port to charge your device.
4. Microphone.
5. Speaker.