| Backlight | Yes |
| Display brightness | 3000 cd/m² |
| Display diagonal | 129.5 cm (51") |
| Display resolution | 480 x 480 pixels |
| Display technology | AMOLED |
| Display type | Digital |
| Pixel density | 322 ppi |
| Touchscreen | Yes |
| Watch glass type | Sapphire |
| Band colour | Black, Brown |
| Band material | Silicone |
| Band size | One Size |
| Magnetic charging connector | Yes |
| Market positioning | Sport watch |
| Shape | Round |
| Watch case colour | Titanium |
| Watch case material | Titanium, Glass Fiber Reinforced Polymer (GFRP) |
| Watch case size | 51 mm |
| Water resistance | 10 ATM |
| Waterproof up to | 45 m |
| Wrist size range | 145 - 215 mm |
| Built-in camera | No |
| Built-in microphone | Yes |
| Built-in speaker(s) | Yes |
| Mobile operating systems supported | Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 8.1, Android 9.0, Android 10, Android 10.0, Android 11.0, Android 12.0, Android 13.0, Android 14.0, Android 15, Android 16, iOS 15, iOS 16, iOS 17, iOS 18, iOS 26 |
| Operating system installed | Zepp OS |
| Accelerometer | Yes |
| Alarm clock | Yes |
| Ambient light sensor | Yes |
| Barometric altimeter | Yes |
| Blood oxygen sensor | Yes |
| Built-in speedometer | Yes |
| Call notifications | Yes |
| Electronic compass | Yes |
| Find my phone function | Yes |
| Geomagnetic sensor | Yes |
| Gyroscope | Yes |
| Heart rate monitor | Yes |
| Interval training | Yes |
| Quality of sleep | Yes |
| Recommended activity | Running, Cycling, Walking, Swimming, Climbing, Hiking, Fishing, Hunting, Skateboarding, Motor sports, Yoga, Pilates, HIIT, Gymnastics, Dance, Boxing, Kickboxing, Hockey, Football, Basketball, Volleyball, Tennis, Handball, Golf, Skiing, Diving |
| SMS notifications | Yes |
| Skin temperature sensor | Yes |
| Sleep apnea detection | Yes |
| Smart notifications | Yes |
| Stopwatch | Yes |
| Stress monitoring function | Yes |
| Sun & moon information | Yes |
| Virtual pacer function | Yes |
| Weather display | Yes |
| World time function | Yes |
| GPS (satellite) | Yes |
| Bluetooth Low Energy (BLE) | Yes |
| Bluetooth version | 5.2 |
| Near Field Communication (NFC) | Yes |
| Wi-Fi | Yes |
| Battery capacity | 870 mAh |
| Battery life | 30 day(s) |
| Battery life (GPS mode) | 177 h |
| Battery type | Built-in battery |
| Model name | T-Rex Ultra 2 |
| Unit Box Width | 0.09 |
| Unit Box Length | 0.17 |
| Unit Box Height | 0.05 |
| Category Code | SMW |
| Units per Pallet | 0 |
| Units per Shipping Box | 20 |
| Unit Calculated Volume | 0.001318 cubm |
| Unit Calculated Weight | 0.377 kg |
| Number of sports modes | 187 |
| Sports activity apps | Strava, RunKeeper, TrainingPeaks |
| Depth | 51 mm |
| Thickness | 1.43 cm |
| Weight | 89.2 g |
| Width | 51 mm |
| Charging base | Yes |
| Manual | Yes |