Huawei Watch Fit 4

Display 1.82 inch AMOLED 480 × 408 pixels, PPI 347 2000-nit Peak Brightness Watch Case Material Aluminum alloy Sensors Accelerometer sensor Gyroscope sensor Magnetometer sensor Ambient light sensor Optical heart rate sensor Barometer sensor Waterproof Level 5 ATM water-resistant Connectivity NFC Supported *Only the Grey version supported. Bluetooth 2.4 GHz, supports BT5.2 and BR + BLE Battery Life The 10-day maximum battery life is tested under the following conditions