Category Specification Brand & Model Zeblaze Btalk 3 Plus Network / Connectivity Bluetooth 5.2 (for voice calls and pairing) Dimensions 45.5 × 45.5 × 12.1 mm Weight 38 g (with strap), 22.7 g (without strap) Display 1.39" HD Color Display, 360 × 360 pixels, 2.5D Curved Glass OS & UI / Compatibility Proprietary OS, compatible with Android 5.0 and iOS 10.0 via FitCloudPro app Rear / Front Cameras None Battery 260 mAh Li-Polymer Battery Life Up to 14 days (typical use), 7 days (heavy use) Charging Approximately 1.5 hours Sensors Heart rate, SpO₂, accelerometer, gyroscope, sleep monitoring Protection / Durability IP68 water and dust resistance Colors Available Black,Gold, purple
