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 or stop the sport you are doing.
NOTE: This button is not removable like on some watches. If you force it outwards, you can damage it.
2. Heart rate monitor and oximeter.
These sensors must be placed close to your wrist to perform the measurement correctly.
3. Charging connector.
Bring the magnetic charging base close to the back so it attaches to the watch. Connect the other USB end to a USB charging port to charge your device.
4. Microphone.
5. Speaker.