System compatibility function reference
Compatible with Android phones: Android 8.0 and above
Compatible with iOS phones: iOS 12.0 and above
Battery life
Typical usage mode 21 days
AOD mode 9 days
Health
Daily activity record
Heart Rate monitoring
Blood oxygen monitoring
Sleep monitoring
Stress monitoring
Female cycle reminder
Breathing training
Sports
150+ sport modes
Running course
Pebble mode

Dimensions
46.53 x 21.63 x 10.95 mm* Height, width and thickness dimensions exclude the strap and protrusions
Weight:15.8g (without strap)
Band Strap
Size:135–210 mm
Material:TPU
Color:Midnight Black | Glacier Silver | Mystic Rose | Arctic Blue | Titan Gray
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
Specifications
5ATM water resistant App: Mi FitnessMotor: Linear motor Compatibility: Supports smartphones with Android 8.0 or iOS 12.0 and above
Package contents
Xiaomi Smart Band 9 / Magnetic charging cable / User manual