Everyday Features: The watch can proficiently handle your personal agendas, notify you of incoming calls or messages to your smartphone, and provide movement reminders when you have been sitting for too long.24-Hour Heart Rate Monitoring: Covers heart rate zones and provides warnings when your resting heart rate is abnormally elevated, keeping you aware of the exercise effect and reducing exercise risks.Blood-Oxygen Saturation Measurement: Test your SpO2 level the moment you start feeling unwell, getting a better understanding of your physical condition and keeping your health under control.Sleep Quality Monitoring: Supports in-depth sleep monitoring, which can more accurately determine the sleep stage, monitor the sleep breathing condition, and provide quality analysis and suggestions for improvement based on a night of sleep.Monitor Stress Levels: Check to see where your personal stress level lies - from relaxed, normal, medium or high - anytime you feel pressured throughout the day, so you know when to relax and reduce it.90 Built-in Sports Modes: Activate one of the 90 sports modes that you need and, after the exercise is over, the watch will produce a corresponding analytical report which is also viewable in the mobile app, to help you continuously improve your exercise plan.Intelligent Voice Assistant: You can perform voice operations on your watch without internet access through the offline voice control feature - including turning on sports modes or opening the heart rate monitoring function.24-Day Battery Life: Featuring a more sophisticated circuit design, a thinner body, and a high-capacity 471 mAh battery, the watch features an extended battery life which covers you wherever your exercise takes you.