To charge your watch, bring the cable connector close to the rear pins. The built-in magnets will ensure a correct connection. To finish, connect the USB end to a USB charging port.
In about three hours, you can have your device fully charged to enjoy it for about 6 days, depending on usage.
BATTERY LIFE
The battery life values largely depend on the watch's configuration and the activity performed, and can also vary depending on the smartphone and other external factors.
The battery life in typical usage is 6 days. Typical usage: heart rate measurement every 10 minutes, screen brightness at 50%, and 2 hours of weekly sport monitoring.
The battery life in intensive usage is 4 days. Intensive usage: heart rate measurement every 5 minutes, screen brightness at 75%, and 4 hours of weekly sport monitoring.
In battery saver mode the battery life is 8 days. Battery saver: same as typical usage but with minimum brightness, and without vibration or quick view.