Xiaomi IMILAB KW66 Smart Watch Model: Xiaomi IMILAB KW66 Compatibility: Android 5, iOS 9.0 and above Bluetooth: 5.0 Battery Capacity: 340 mAh Display: 1.28-inches 3D TFT Display 1.28-inches 3D TFT Battery Battery Capacity: 340 mAh Battery Life: Up to 30 days Charging: Magnetic Connectivity Bluetooth: 5.0 SpecialFeatures Protection rate: IP68 Exterior Dimension 45×22×12.7 mm Weight 54 g Color Blue Warranty Information Warranty No Warranty