| Brand | Amazfit | | Model Name | T-Rex Ultra | | Weight | 89 g | | Material | Stainless Steel, Polymer | | Shape | Circle | | Type | Color AMOLED | | Touch | Yes | | Size | 1.39 inches | | Resolution | 454 x 454 pixels | | PPI | 326 ppi | | Features | 1000 nits brightness, Always On Display | | Wi-Fi | Yes, Wi-Fi 2.4GHz | | Bluetooth | Yes, 5.0 | | GPS | Yes | | Sensors | Geomagnetic, Gyro, Acceleration, Barometric altimeter, Ambient light sensors | | Camera | No | | OS | Zepp OS 2.0 | | Compatible OS | Android 7.0 or later and iOS 12.0 and above | | Battery Capacity | 500 mAh | | Battery Backup | 5 days | | StandBy Time | 20 days | | Water Resistant | Yes | | Water Resistant Depth | 100 m | | Water Resistant Certificate | 10ATM | | Dust Proof | Yes | | Scratch Resistant | Yes | | Meters and sensors | Altimeter, Pedometer, Heart Rate Monitor, SpO2 (Blood Oxygen) Monitor, Calorie Count, Step Count, Sleep Monitor | | Warranty | 1 year, Brand Warranty | |
