A higher refresh rate delivers a super smooth experience, with eye-catching operation and swipe motions. Stepless automatic brightness adjustment with precise adaptation to the ambient brightness. Whenever you raise your wrist, the brightness will adjust to the perfect level that is also gentle on your eyes. • Comprehensive health management, Your personal health consultant. • Makes life easier, More useful features. • Easy-detachable Straps. • Over 150 fitness modes to suit your preferences. Dimensions 48mm x 22.5mm x 10.99mm Weight: 27g Band Strap Size: 135mm–210mm Material: TPU Display 1.62-inch AMOLED Touch Display Resolution: 192 x 490 pixels Brightness: up to 600 nits, adjustable Case material: 2.5D reinforced glass case Sensors High precision 6-axis sensor PPG heart rate sensor Ambient light sensor Battery Charging type: magnetic charging Charging time: approx. 1 hour Typical use time: ≥ 16 days Capacity: 190mAh Specifications 5ATM water resistant App: Mi Fitness Bluetooth 5.1 BLE Compatibility: supports smartphones with Android 6.0/ iOS 12.0 and above Package contents Band body x1 Band strap x1 Dedicated charging cable x1 User manual x1