The Xiaomi Smart Band 9 Active is a versatile fitness tracker designed to help you keep a close eye on your health and daily activity. It features a 1.47-inch TFT touchscreen with a resolution of 320 x 172 pixels, protected by tempered glass that resists scratches during your workouts. The rectangular plastic case is paired with a comfortable beige TPU strap that fits wrists from 135 to 215 mm, making it a lightweight companion weighing only 16.5 g. Inside, the device is equipped with a PPG sensor, accelerometer, and ERM sensor to monitor your heart rate and SpO2 levels throughout the day. With 5 ATM water resistance, you can wear it while swimming or in the shower without worry. The 300 mAh battery provides reliable power and recharges fully in about 2 hours via the included magnetic cable. Connecting to your Android or iOS smartphone is seamless thanks to Bluetooth 5.3, allowing you to manage music and receive notifications directly on your wrist.