Xiaomi Smart Band 9

Display: 1.62-inch AMOLED. Resolution: 192 x 490 pixels.

Refresh rate: 60Hz for a smooth experience. Brightness: Up to 1200 nits with automatic brightness adjustment.

Features: Always-On Display (AOD) support.

Protection: Scratch-resistant tempered glass.

Design: Aluminum alloy frame gives it a luxurious look.

Weight: 15.8 g (without strap).

Dimensions: 46.53 x 21.63 x 10.95 mm.

Quick-release strap. Strap size: 135–210 mm. Colors: [Colors not specified].

Capacity: 233 mAh. Battery life: Up to 21 days of normal use.

Approximately 9 days with the Always-On Display (AOD) on.

Charging method: Magnetic charging.

Charging time: Approximately 1 hour.

Health features:

24-hour heart rate monitoring. Blood oxygen saturation measurement.

Stress monitoring. Sleep tracking: Deep sleep.

Light sleep. REM sleep. Naps. Women's health tracking.

Breathing exercises.

Vitality score.

Sensors: Optical heart rate sensor.

Blood oxygen saturation measurement.

Motion sensor. Accelerometer.

Gyroscope.

Ambient light sensor.

Linear vibration motor with enhanced vibrations.

Over 150 sports modes, including: Running, Walking, Cycling, Swimming, Strength Training, Yoga, HIIT, and many more.

Water resistance: Up to 5ATM (up to 50 meters deep).

Smart features:

Call and message notifications.

App notifications.

Music control.

Phone camera control. Alarm. Timer. Stopwatch. Weather. Calendar. Find my phone. Pomodoro mode.

Multiple customizable watch faces.

Connectivity and compatibility: Bluetooth 5.4.

App: Works with the Mi Fitness app.

Compatible with: Android 8.0 or later, iOS 12 or later.

What it doesn't have:

No built-in GPS (relies on phone's GPS).

No Wi-Fi.

No speaker.

No microphone in the global version.