Xiaomi Smart Band 9

Display:

• 1.62-inch AMOLED Touch Display
• Resolution: 192 x 490 pixels
• Brightness: Up to 1200 nits, adjustable

Battery:

• Charging type: Magnetic charging
• Charging time: Approx. 1 hour
• Typical usage time: Up to 21 days
• Nominal Capacity: 233mAh

Sensors:

• Accelerometer sensor
• Gyroscope sensor
• Optical heart rate sensor
• Ambient light sensor

Water Resistance:

• 5ATM water resistant

Connectivity:

• Bluetooth: Bluetooth 5.3
• Compatibility: Supports smartphones with Android 8.0 or iOS 12.0 and above

Other Features:

• Health monitoring: Heart rate, sleep tracking, stress monitoring, blood oxygen (SpO2)
• Activity tracking: Step counting, sports modes (running, cycling, swimming, etc.)
• Notifications: Calls, messages, social media
• Other: Alarm, stopwatch, weather forecast, music control, camera control

Physical Specifications:

• Dimensions: 46.53 x 21.63 x 10.95 mm
• Weight: 15.8g (without strap)
• Band Strap: Size: 135–210 mm, Material: TPU