Xiaomi Smart Band 9 Active

Display: 1.47” TFT LCD touchscreen, 172 x 320 px resolution, 60Hz refresh rate, 450 nits peak brightness Straps: Detachable proprietary straps, 135-215mm adjustable length Features: 5ATM rating, Real-time heart rate monitor, 24/7 Blood Oxygen level monitor, Sleep tracking, Stress monitoring, Sports tracking, Step Counter, Meditation, Notifications, Idle Alert, Phone Finder, Weather Forecast, Music and Camera Control, Alarm, Stopwatch, Compass, Barometer, Flashlight. Sports Modes: Outdoor Run, Indoor Run, Outdoor Walk, Cycling, Hiking, Trekking, Jump rope, Freestyle (50 more in Mi Fitness app) Sensors: PPG optical heart rate sensor, SpO2 sensor, 3-axis accelerometer, barometer, rotor Vibration Motor Connectivity: Bluetooth 5.3, Compatible with Android 8.0 and iOS 12+ Battery: 300 mAh