Category Specification Brand & Model Zeblaze Stratos 3 Ultra Network / Connectivity Bluetooth 5.3 (for voice calls and pairing) Dimensions 45.6 × 45.6 × 12.7 mm Weight 56.5 g (with strap), 34.8 g (without strap) Display 1.43" Ultra HD AMOLED, 466 × 466 pixels (~391 PPI), up to 1000 nits brightness, Corning® Gorilla® Glass OS & UI / Compatibility Proprietary OS, compatible with Android 5.0 and iOS 12.0 via FitCloudPro app Battery 500 mAh Li-Polymer Battery Life Battery Saver Mode: up to 45 daysTypical Usage: up to 28 daysHeavy Usage: up to 20 daysContinuous GPS and HR Tracking: up to 86 hours Charging Approximately 1.5 hours Sensors 3-axis accelerometer, 3-axis gyroscope, heart rate monitor, SpO₂ sensor, compass, barometric altimeter Protection / Durability 5 ATM & IP69K water and dust resistance Colors Available Moon White, Space Black
