Key Specifications of the Xiaomi Smart Band 9 Active:

• Display: 1.62-inch AMOLED, 600 nits (peak)
• Resolution: 192 x 490 pixels (~326 ppi density)
• Processor: Not specified, low-power dedicated chipset
• Operating System: Proprietary OS
• RAM: Not specified
• Internal Storage: Not specified
• Battery: 210 mAh (non-removable)
• Charging: Magnetic charging
• Water Resistance: 5ATM
• Sensors: Heart rate, SpO2 (blood oxygen), accelerometer, gyro
• Connectivity: Bluetooth 5.4, BLE
• Body: Polycarbonate with a TPU strap
• Weight: ~27g (with strap)
• Colors: Black, Blue, Pink, Purple, Green, Orange