Redmi Watch 3 Active Wear your best self. 1.83" LCD big screen. 1.83”big screen, easier to view information. New UI/UX design, display more and detailed information on every page. Support Bluetooth calling You can answer calls by simply raising your hand. 100+ sports modes 100+ workout modes, including 10 professional workout modes, suitable for sports beginners. Full-scale fitness tracking. All-day heart rate monitoring. Advanced sleep tracking. All-day SpO2 monitoring. Elegant appearance. Coated with NCVM for lightness and comfort. Support optional straps. 200+ watch faces and could customize your own photo to show on the watch. Water resistant up to 50m 5ATM water proof level, no worry about getting wet. Ultra long battery life Up to 12-days battery life for normal daily use.