Zeblaze GTR 3 Pro Bluetooth Calling Smartwatch 1.43 Ultra HD AMOLED Display IP68 Water Resistance

Display Size: 1.43" Ultra HD AMOLED Display Resolution: 466 x 466 pixels, 326 PPI Brightness: Up to 1000 nits Bluetooth version: 5.2 Compatibility: Android 5.0 and iOS 10.0 above App name: FitCloudPro Battery Capacity: 260 mAh, Lithium-Polymer Battery Life: 14 days (Typical Usage) | 5 days (Heavy Usage) Continuous voice calling: 365 minutes Charging Time: 1.5 hours Sensors: 3-axis accelerometer, 3-axis Gyroscope Health monitor: Wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor Durability: Operation temperature: -40°C to 55°C Water resistance: IP68 Fitness tracking smartwatch