Heart Rate & Sleep Monitoring Your heart health counts It helps to know your heart status better during workouts.The smart watch tracker monitors your heart rate 24/7, providing you with all-day care. The smartwatch also monitors & records your sleep status automatically, providing a comprehensive analysis of your sleep quality (deep sleep, light sleep, and wake up time) to help you develop a healthier lifestyle.Your Multifunctional Fitness CompanionSmart watch features with many practical functions, such as call reminder,stopwatch,timer,pedometer,calories,sedentary reminder,heart rate monitor,breathing training. Its compatible with smart phones of Android 4.4 / iOS 8.0 and above systems , and Bluetooth 3.0+4.0.Explore Multiple Sports Modes with 3ATM Waterproof Built-in multiple sports modes, can help you fitness: Walking / Running / Climbing / Swimming / Biking. You can record and view real-time data during exercise. Rain and splash proof, but not rain or immersion. Please do not press any keys underwater. Also avoid using it in extremely hot or cold temperatures. (Note: it cannot track your swimming data)Real-time Information Reminder Real-time call reminder and social information push (MessageFacebook, Twitter, LinkedIn, WhatsApp, Line, Instagram, Snapchat, Skype, Gmail and other mobile phone Apps) Watch and mobile phone synchronization, raise your hand to view, efficiency improvement is obvious.All-day Activity Tracking & Multifunctional - Accurately record all-day activities like steps, distance, calories burned, miles walked, active minutes, sleep status and more. Stay motivated all day Smart watches have practical functions such as music control, sedentary reminder, alarm clock, countdown, stopwatch, breathing exercise and looking for mobile phone.Powerful Battery capacity, charge for 2 hours, use for 7-10 days