Redmi Watch 3 Active

46.94 x 38.88 x 10.94mm *Height, width and thickness dimensions exclude the strap and protrusions 41.67g (with inbox strap) Strap Size: 135~200mm Sensors Heart rate sensor (with blood oxygen sensor), accelerometer Battery Typical use time: 12 days Heavy use time: 8 days Capacity: 289mAh Display 1.83 inch LCD Display Resolution: 240×280 pixel Brightness: up to 450 nits, adjustable Specifications Microphone: supported Speaker: supported 5ATM water resistant Bluetooth 5.3 Compatibility: supports smartphones with Android 6.0 or ios 12.0 and above