100+ workout modesTrack your exercises like an expert17 professional modes, including HIIT and Yoga to help you achieve your fitness goals you wanted. 100 extended workout modes that offer you more options.Blood Oxygen Measurement*Blood oxygen saturation (SpO₂) level indicates the amount of oxygen in the blood. Get an SpO₂ measurement anytime anywhere for your peace of mind. Supports continuous SpO₂ tracking during sleep. High-resolution and colourful, more details displayedBigger screen-to-body ratio, 10% increase from previous model Mi Watch Lite. Better visual and touch control experience.24-Hour Heart Rate TrackingBuilt-in high-precision PPG sensor to track your heart rate 24 hours a day. Sends alert when abnormal heart rate is detected. High-precision GPS chipSupports the four major global positioning systemsThe built-in GNSS chipset comes with improved performance for more precise position tracking. Four major global positioning systems–GPS, GLONASS, Galileo, BDS–are supported.Sleep Monitoring*Monitors long sleeps and sporadic naps. Provides detailed reports on deep sleep, light sleep and REM* stages to help you find out what is going on during your sleep.