xiaomi smart band 9

FeatureSpecificationDisplay1.62-inch AMOLED, 192 × 490 pixels, 326 PPI, 60Hz refresh rateBrightnessUp to 1200 nits (with automatic brightness adjustment)Dimensions46.53 × 21.63 × 10.95 mm (excluding strap and protrusions)Weight15.8 g (without strap)MaterialsAluminum alloy frame, 2D tempered glass coverBattery233 mAh capacity, magnetic charging (approx. 1 hour to 100%)Battery LifeUp to 21 days (typical), 9 days (Always-On Display enabled)ConnectivityBluetooth 5.4Water Resistance5ATM rating (up to 50 meters, suitable for swimming)SensorsAccelerometer, Gyroscope, Optical Heart Rate & SpO₂, Ambient Light SensorCompatibilityAndroid 8.0 or iOS 12.0 and above via Mi Fitness appKey Health & Smart FeaturesUpgraded Tracking: 16% improved heart rate accuracy and better SpO₂ and sleep analysis.Haptic Feedback: New linear motor provides 20 distinct vibration modes for cleaner alerts.150+ Sports Modes: Includes running courses and specialized metrics like VO2 max.Versatile Design: Can be worn as a standard wristband, a neck pendant, or clipped to a running shoe.