The Xiaomi Smart Band 9 Active is a featherlight 16.5g tracker with a smooth 1.47" TFT touch display at 60Hz.
- 50 sports modes with real-time metrics
- Automatic monitoring of heart rate, SpO₂, sleep and stress
- Up to 18 days of battery life from the 300mAh cell
- Magnetic charging in under two hours
- 5ATM water resistance for swims and rainy days
- Bluetooth 5.3 BLE with 100+ watch faces, via Mi Fitness on Android and iOS