These are the functions that the different controls of your SMARTEE BOOST watch have:
1. Start button.
Press it briefly to exit the menu you are in or to pause/resume the sport you are doing.
Press and hold the button for two seconds to run the quick access that you have configured in main menu settings.
2. Charging connector.
Bring the end of the magnetised charging cable towards to this connector so that it connects to the watch. Plug the USB end into a USB charging port to charge your device.
3. Cardio sensor.
This sensor must be placed close to your wrist in order to carry out the measurement of your pulse.