6 reasons to buy Huawei watch GT 3: The Moon Phase Collection: Explore an elegant world of moon phase displays & futuristic features, Up to 1-week battery life, wireless charging: Get a 7 days battery to track workouts & health continuously, All-Day SpO2 monitoring: Monitor oxygen supply of the body to protect health 24/7, Accurate heart rate monitoring: TruSeenTM 5.0+ presents an upgraded heart rate module providing improved accuracy of health data, Personal AI running coach: Assess athletic ability & get a professional plan to help improve training efficiency, New experience for a convenient life: Take Bluetooth calls, view call history & messages on the watch.