Amazfit Gtr 2e

Heart Rate Yes Other Fitness Features 90 Sport Mode tracking Sleep Tracking Yes, In-depth Sleep monitoring Steps Yes BATTERY Battery Life Up to 45 Days Capacity Li-Po 471 mAh battery COMPATIBILITY Compatible OS Android 5.0 and iOS 10 and above CONNECTIVITY Bluetooth Yes, Bluetooth 5.0 LE DESIGN Clock Face Digital Colours Obsidian Black Dimensions 46.4 x 46.4 x 10.8 mm Shape & Surface Circular Weight 32 g DISPLAY Screen Resolution 454 x 454 pixels