Global Version Xiaomi Smart Band 9 Pro Specifications: Dimensions --- 43.27 × 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 Weight --- Approx. 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. Color --- Obsidian Black, Rose Gold, Moonlight Silver Display Size and Type --- 1.74-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 Resolution --- 336 x 480 pixels Screen Brightness --- Maximum 1200 nits with auto brightness adjustment Cover Material--- 2.5D reinforced glass Sensors --- Accelerometer Gyroscope Electronic compass Optical heart rate and pulse oximeter Ambient light sensor Water Resistance Rating --- 5ATM *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 Connection --- Supports GNSS, Bluetooth 5.4 *Supports BeiDou, GPS, GLONASS, Galileo and QZSS satellite systems. Haptic Motor --- Linear motor Battery Capacity: 350mAh Charging type --- Magnetic charging Charging time --- Approx. 75min *Charging time test data comes from Xiaomi Internal Lab. Actual charging time may vary due to ambient temperature, battery life and other factors.