HONOR Watch 4 Pro Used, like new 46.4 mm × 46.4 mm × 11.4 mm *11.4 mm is the thickness of the watch measured at its thinnest point (the distance from the watch surface to the bottom cover, excluding the sensor area). Please refer to the actual product. svg Diameter 46.4 mm *Actual measurement methods may vary, please refer to the actual product. svg Wrist size 140-210 mm svg Weight Approximately 50 grams (without strap) *Product size, product weight, and related specifications are theoretical values only. Actual measurements may vary between individual products. All specifications are subject to the actual product. svg Screen Size 1.5-inch AMOLED color screen Resolution 464 × 464 pixels, 310 PPI svg Body Stainless steel case; polymer fiber composite back cover. svg Strap Fluoroelastomer strap, Leather strap. svg Buttons Up button, Down button; support long press Up button supports crown rotation svg Charging port Wireless charging svg Compatibility Android 9.0 or later IOS 12.0 or later svg Water resistance level 5ATM *The device has a 5ATM (50 meters) water resistance rating in accordance with ISO 22810:2010, suitable for swimming in pools, sea swimming, and other shallow-water activities. However, it is not suitable for underwater diving, scuba diving, hot showers, saunas, hot springs, or any other activities involving wading in deep water or activities with high-speed water flows. svg Connectivity NFC Supports GPS GPS + GLONASS + GALILEO + BDS + QZSS Bluetooth 2.4 GHz, BT 5.2, supports BLE/BR/EDR svg Speaker Supports svg Microphone Supports svg Charger voltage and current 5V-9V DC / 2A svg Sensor Accelerometer Gyroscope Magnetic sensor Optical heart rate sensor Barometer Ambient light sensor svg Packing list 1 piece watch 1 piece charging cable 1 piece Quick Start Guide, Safety Information