Huawei Display Type: Amoled Resolution: 466 × 466 Pixels, Ppi 326 Display Size: 1.43 Inches Amoled Color Screen Gps: Dual-band Five-system Gnss (With Enhanced Satellite Antenna Array) Microphone: Supported Speaker: Supported Dimensions: 46 Mm × 46 Mm × 10.9 Mm Sensor: Accelerometer Sensor, Gyroscope Sensor, Magnetometer Sensor, Optical Heart Rate Sensor, Barometer Sensor, Temperature Sensor. Button: Home Button (Rotating Crown) And Side Button. Bluetooth: 2.4 Ghz, Supports Bt5.2 And Br + Ble Charging Port: Wireless Charging Charger Voltage: 5v-9v Dc/2a Battery Life: Up To 14/7 Days Weight: Approximately 48 G (Strap Excluded) Watch Case: Stainless Steel Water Resistence: 5 Atm Water-resistant