To charge your watch, bring the cable connector close to the back pins. The built-in magnets will ensure a correct connection. Finally, connect the USB end to a charger or 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
Battery life values depend largely on the watch's configuration and the activity performed, and may also vary depending on the smartphone and other external factors.
The battery life in typical use is 7 days. Typical use: heart rate measurement every 10 minutes, screen brightness at 50%, and 2 hours of weekly sports monitoring.
The battery life in intensive use is 5 days. Intensive use: heart rate measurement every 5 minutes, screen brightness at 75%, and 4 hours of weekly sports monitoring.
In battery saver mode, the battery life is 9 days. Battery saver: like typical use but with minimum brightness and no vibration or quick view.