Xiaomi Smart Band 9 Active 45.9mm TFT Activity Tracker, Black

The Xiaomi Smart Band 9 Active is an activity tracker designed for monitoring daily fitness and health metrics. It is equipped with a 1.47-inch TFT color display, which presents data at a resolution of 172 x 320 pixels and a brightness of 300 nits. Core functions include continuous heart rate monitoring using a PPG sensor, blood oxygen (SpO2) measurement, and detailed sleep quality analysis. The device supports over 50 fitness modes to accommodate a range of physical activities, from running to swimming.

Constructed with a lightweight body weighing 16.5 grams without the strap, the band is rated for 5 ATM water resistance, making it suitable for use in various environments. The internal 300 mAh battery provides up to 18 days of operation under typical usage conditions and recharges in approximately two hours via a magnetic connector. It connects to compatible smartphones using Bluetooth 5.3 technology to deliver smart notifications directly to the wrist and is compatible with devices running Android 8.0 or iOS 14.0 and above.

• 1.47-inch TFT color display with touchscreen
• Heart rate and blood oxygen (SpO2) monitoring
• Sleep quality and activity tracking
• Support for over 50 distinct fitness modes
• 5 ATM water resistance rating
• Up to 18 days of battery life on a single charge
• Bluetooth 5.3 connectivity
• Compatible with Android 8.0 and iOS 14.0 or newer
• Removable TPU band fits wrist sizes 135–215 mm
• Haptic feedback for smart notifications