Never Miss Your Heart Rate: 24 hours continuous monitoring your heart rate, recording your history data in app and showing the complete heart rate curve. You can always view the dynamic heart rate on the fitness armband and exercise securely and efficiently. Sleep Monitor: Automatically tracks your sleep duration and consistency with comprehensive analysis of sleep quality data. It can monitor your sleep quality including deep or light sleep hours, awake hours, history sleep data. You can also set different alarm clocks in the app and it will vibrate to wake you up or remind you to do exercise, take medicine, etc. Remote Control Phone Camera: Oneself can also take beautiful photos ! you can use this smart wristband to easily control your phone or camera. IP68 Waterproof : You can wear it when washing hands, taking bath, swimming and diving under water, which totally meet your daily needs. The smart bracelet includes identifying running mode automatically, once you start running, it will go into the running mode in 5 minutes. It also includes sleep monitor, sport mode, alarm clock, sedentary reminder, message alert, call alert, recording your steps, calorie, distance, etc. Long Battery Life : Just need 1-2 hour charging. You can use it for 20 days without charging when you switch off the heart rate function. We offer a 12 months Replacement Warranty and Lifetime Technical Support.