Heart rate monitoring and sleep tracking: Heart rate monitoring helps you understand your heart status during exercise. Our smartwatch also automatically tracks your sleep and helps you to measure periods of wakefulness, light and deep sleep.Activity tracking with 9 sport modes: built-in advanced 3D sensor and pedometer to accurately count your steps, calories burned and distance traveled. A variety of sport modes: running, cycling, skipping, table tennis, badminton, tennis.Multifunctional Smart Watch: Sedentary reminders, relaxation training, call / message reminders, rejection function, alarms, music control, custom watch faces, stopwatch settings and you can even save up to 10 messages. This device has it all and is waterproof to IP68.Easy charging and more than 10 days of use: Just 2 to 3 hours of charging allows more than 10 days of use, so you can play more and charge less. Battery life and charge cycles will vary based on usage, settings, and other factors.