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?NFC Wireless Charging?Faster charging, 10 minutes charging 50% can last for 5 days. ?Monitor all physical indicators at all times?Heart Rate, HRV, Oxygen Saturation, Body Temperature, Sleep, Exercise Workout. ?5ATM level waterproof?Wear can be in 50 meters underwater immersion for more than 30 minutes, you can wash your hands, take a bath, swim. No worries!. ?Female Period Prediction Record?Menstrual period prediction and arrival time record saving, data visualization, better monitoring of women's health, timely reminder to adjust the daily routine, physical condition warning!. Movement Data Monitoring and Recording?Real-time monitoring of your various movement data, running, walking, swimming, diving and other data, viewed in your phone anytime, anywhere!.