| key specs |
| Compatible OS | iOS, Android | Android OS, iOS 8, Fossil Q App: 4.4 |
| Strap Material | Silicone | Stainless Steel |
| Dial Shape | Round | Round |
| Display Type | AMOLED | OLED Retina |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Silver |
| Display Size | - | 45mm |
| general |
| Brand | Amazfit | Fossil |
| Model | T-Rex Pro | Q Marshal Smartwatch |
| Release date | March 23, 2021 | - |
| Model Name | Amazfit T-Rex Pro | Q Marshal |
| Dial Shape | Round | Round |
| Strap Material | Silicone | Stainless Steel |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | 10 ATM | Yes |
| Dial Material | Polycarbonate | Steel |
| Ideal For | Unisex | Unisex |
| Dial Colour | Desert Grey, Meteorite Black, Steel Blue | Silver |
| Model Number | - | FTW2109 |
| Usage | - | Notifier |
| Strap Colour | - | Silver |
| dimensions |
| Width | 47.7 | - |
| Height | 47.7 | - |
| Thickness | 13.5 | - |
| Weight (g) | 59.40 | - |
| Diameter | - | 45 mm |
| product details |
| Sensor | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter | G-Sensor, Gyroscope |
| Compatible Device | Android, iOS | Iphone 5 & Above,Android Devices 4.3 & Above(Supported Features May Vary By Platform) |
| Notification | Yes | Social Media /Text/Email/App Alerts/Calendar Alerts |
| Battery Life | 18 days | This wearable has an estimated 24-hour battery life. |
| Charge Time | 1.5 hours | 120 min |
| Charger Type | Magnetic 2-pins Pogo Pin | USB Cable |
| Rechargeable Battery | Yes | Yes |
| Notification Type | - | Notifications on LED Display |
| Other Features | - | Outside Temperature: Yes, Heart Rate: No |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.1 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | - |
| Call Function | - | Yes |
| Other Connectivity Features | - | Wi-Fi (802.11B/G/N) |
| platform and storage features |
| Operating System | RTOS | - |
| Compatible Operating System | iOS, Android | Android OS, iOS 8, Fossil Q App: 4.4 |
| RAM | - | 512 MB |
| Internal Memory | - | 4 GB |
| camera and display features |
| Display Resolution | 320x360 | 320 x 290 pixels |
| Display Type | AMOLED | OLED Retina |
| Scratch Resistant | Tempered Glass + anti-fingerprint coating | - |
| Display Size | - | 45mm |
| Other Display Features | - | Display Resolution: 229 Dpi |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | - |
| Altimeter | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 4 | - |
| Other Fitness Features | 100+ sports modes | Activity Tracking |
| Other Watch Functions | Heart rate monitoring, sleep quality monitoring | Auto Update Timezone, Multiple Time Zones |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | - | Built-in Microphone |