Dimensions43.27 × 32.49 × 10.8mm (without the heart rate sensor)
*Actual dimensions may vary due to differences in configuration, manufacturing processes, and measurement methods. Please refer to the actual product.
Net WeightApprox. 24.5g (weight without the strap)
*Actual weight may vary due to differences in configuration, manufacturing processes and measurement methods. Please refer to the actual product.
ColorObsidian Black, Rose Gold, Moonlight Silver
Display Size and Type1.74-inch AMOLED Touch Display
*Actual dimensions may vary due to differences in configuration, manufacturing processes and measurement methods. Please refer to the actual product.
Display Resolution336 x 480 pixels
Screen BrightnessMaximum 1200 nits with auto brightness adjustment
Cover Material2.5D reinforced glass
Shell MaterialAluminum alloy frame and high-strength fiber polymer
SensorsAccelerometer
Gyroscope
Electronic compass
Optical heart rate and pulse oximeter
Ambient light sensor
Water Resistance Rating5ATM
*5ATM water resistance: The Xiaomi Band 9 Pro has a water resistance rating of 5 ATM (50 meters in depth). The band can be worn in swimming pools, while swimming near the shore, or during other shallow-water activities. However, it cannot be used in hot showers, saunas, or when diving. Please also avoid the band being directly impacted by swift currents during water sports. The level of water resistance is not permanent and may decline over time.
Data ConnectionSupports GNSS, Bluetooth® 5.4
*Supports BeiDou, GPS, GLONASS, Galileo and QZSS satellite systems
Haptic MotorLinear motor
Battery Capacity350mAh
Charging typeMagnetic charging
Charging timeApprox.75 min
*Charging time test data comes from Xiaomi Internal Lab. Actual charging time may vary due to ambient temperature, battery life and other factors.
Compatible Wrist Circumference135–205mm
Band Strap MaterialTPU
Operating SystemAndroid 8.0 or iOS 12.0 and above
Compatible AppsMi Fitness app