Huawei Fit 2 1.74" Watch - Midnight Black (Huawei Watch FIT 2 Midnight Black) - Dimensions: 46 × 33.5 × 10.8 mm, Wrist Size: 130 – 210 mm, 1.74 inches AMOLED color screen Display, Resolution: 336 × 480 pixels PPI 336, Material: Front case: Polymer, Rear Case: Polymer, Sensors: 9-axis IMU sensor (Accelerometer sensor, Gyroscope sensor, Geomagnetic sensor), Optical heart rate sensor, Charging Port: Magnetic charging thimble, System Requirements: Android 6.0 or later, iOS 9.0 or later, Connectivity: Bluetooth 2.4 GHz, supports Bluetooth 5.2 and BR+BLE, Battery Life: Typical usage: 14 days, Heavy usage: 7 days, Colour: Midnight Black