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.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. The fitness watch is IP67 waterproof so you do not need to be careful of water. (Note: it cannot track your swimming data)Your Multifunctional Fitness Companion---Smart watch features with many practical functions, such as shake to photo,blood pressure,pedometer,distance,calories,heart rate monitor,call /alarm clock/sedentary reminder,Message push,multi sports(walking, running, hiking, badminton, basketball),Lift your wrist to brighten the screen . Its compatible with smart phones of Android 4.4 / iOS 8.2 above systems,and Bluetooth 5.0.All-day Activity Tracking---Accurately record all-day activities like steps, distance, calories burned, miles walked, active minutes, sleep status and more. Stay motivated all daySmart Reminder---After connecting your phone and smart watch Bluetooth, the smart watch will vibrate to remind you of incoming calls, SMS and SNS messages (Facebook, Twitter, Instagram, Skype, Whatsapp, Linkedin, Messenger, etc.) No phone calls or text messages will be lost.