Xiaomi Smart Band 9 ACTIVE Dimensions 45.9 x 26.94 x 9.99mm Display 1.47" TFT display Resolution: 172 x 320 pixels, 247 PPI Material: Reinforced glass cover Watch faces: 100+ Charging type: Magnetic charging Charging time: Less than 120 minutes Typical use time: Up to 18 days Capacity: 300mAh