Amazfit T-Rex Pro Full Smartwatch Specifications and Features
- Release date:: March, 2021
- Display:: 1.3 inch, AMOLED, Touchscreen
- Body:: Silicone, polycarbonate
- Battery Life:: 18 days
- Compatibility:: Android 5.0+ and iOS 10.0+
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Description
Amazfit T-Rex Pro Full Smartwatch Specifications – The Amazfit T-Rex Pro is a ruggedly designed smartwatch packed with loads of fitness tracking features. It lacks onboard music storage and the ability to take calls, however, it’s well-equipped to help you explore the outdoors.

The T-Rex Pro has a 1.3 inches AMOLED display that is very colorful and easy to read. The chassis is made of polycarbonate material while the straps come in soft silicone material. operating the watch is via a touch-sensitive screen and four physical buttons. It’s rated 5ATM and certified MIL-STD-810G which makes it rugged and ready to withstand certain weather conditions.
In the fitness section, the T-Rex Pro is equipped to track your heart rate, stress and blood oxygen. It has an inbuilt GPS with support for 4 satellite systems that ensure it can effectively map your routes and locations during an outdoor workout. It features 100 sports modes and can auto-track 8 exercises.

When notifications are enabled in the Zepp app, the T-Rex Pro will alert you when you receive messages and incoming calls on your phone. It features utility apps like find my phone, remote music control, timer and alarm apps.
The T-Rex Pro packs a 390mAh battery capacity that ensures it can last up to 18 days in typical usage and up to 9 days with heavy usage.
Amazfit T-Rex Pro Features
- It has a 1.3-inch always-on AMOLED display with touchscreen and 4 physical buttons as means of navigation.
- Clock features include time/date, alarm, timer and stopwatch.
- The watch features a few preloaded watch faces and you can customize the watch face and even download more watch faces from the pool of many preloaded watch faces available in the Zepp app.
- Features find my phone, timer, alarm, remote music control and remote camera control apps.
- Will alert you every time you receive a message or incoming calls on your phone so that you never get to miss important updates. (Note: you need to enable notifications for your preferred apps in the Zepp app).
- Rated 5ATM (water resistant up to 50 meters, swim-proof).
- The case is made of polymer which makes it lightweight, while the 22mm interchangeable straps are made of silicone. Amazfit T-Rex Pro is certified MIL-STD-810G which means it can withstand certain weather conditions. It’s available in three colors; desert grey, steel blue and meteorite black.
- Compatible with both Android 5.0+ and iOS 10.0+ phones.
- Equipped with a 390mAh battery capacity that boasts up to 18 days of battery life in typical usage and up to 9 days of battery life in heavy usage. It’s up to 40 hours with continuous GPS usage.
- The companion app is the Zepp app. This app will allow you to setup and manage how the watch functions. The Zepp app is available on both iOS and Android app stores.
Amazfit T-Rex Pro Fitness Tracking Features
- Equipped with a GNSS chip that supports 4 satellite systems ensuring the watch can track your routes, pace and distance accurately.
- The T-Rex Pro is equipped with an altimeter that enables the watch to monitor floors climbed and altitude changes.
- Equipped with Huami Biotracker 2 PPG sensor that can track your heart rate continuously so that you can see your heart rate in real-time, and helps you manage your training intensity effortlessly. The watch will also monitor your heart rate variability.
- Tracks your sleep in all four stages of sleep which includes awake, light, deep and REM stages to give more insight into your sleep quality.
- The T-Rex Pro will also monitor your stress level, and it features a breathing app that can help you relax by guiding you through a breathing section.
- The Amazfit T-Rex Pro can monitor your blood oxygen to help you understand how your blood utilizes oxygen.
- Tracks your steps, distance and calories all day. The watch will also remind you to move when you stay idle for over 2 hours.
- Features 100 preloaded sport modes, and can auto-detect and track 8 exercises which include outdoor running, indoor walking, walking, treadmill, elliptical, pool swimming, outdoor cycling and rowing machine.
- Features the PAI (Personal Activity Intelligence) system – a science-backed health score that measures the impact of your physical activity on your heart and guides you to a longer and healthier life. Backed by one of the world’s largest health studies, maintaining 100 PAI or more is scientifically proven to provide maximum protection from heart disease and other lifestyle diseases.
Equipped with FirstBeat algorithms that enable the watch to monitor your VO2 Max, recovery time, training load and training effect.
Pros
- Rugged and sturdy design.
- Impressive 18 days long battery life.
- A comprehensive activity tracker.
Cons
- Lacks onboard music storage
- Lacks microphone and loudspeaker.
- Limited access to apps.
Full Specifications
ABOUT DEVICE | ABOUT DEVICE |
---|---|
Device name | Amazfit T-Rex Pro |
Device type | |
Gender | |
Release date | March, 2021 |
Predecessor | — |
Successor | — |
Versions | — |
BODY | BODY |
Dimension | 47.7 X 47.7 X 13.5 mm |
Weight | 59.4 grams |
Shape | Circular, Curved |
Case material | Polycarbonate |
Strap material | Silicone |
Bezel material | Polycarbonate |
Strap size | 22 mm |
Screen protection | |
Water resistance | |
Durability test | MIL-STD-810G |
Swim-proof | Yes, recommended |
Color | Black, Desert grey, Steel blue |
DISPLAY | DISPLAY |
Display size | 1.3 inches |
Display type | AMOLED |
Display resolution | 360 x 360 pixel |
Pixel density | 391.63 PPI |
Always on | Yes |
Custom watch face | Yes |
Input type | 4 Physical buttons, Touchscreen |
CONNECTIVITY | CONNECTIVITY |
Bluetooth | Bluetooth v5.0 |
Bluetooth calling | No |
GPS | BEIDOU, Galileo, GLONASS, GPS |
NFC | (China only), Yes |
Wi-Fi | No |
MEMORY | MEMORY |
RAM | — |
ROM | — |
Memory card slot | |
CELLULAR CONNECTIVITY | CELLULAR CONNECTIVITY |
Technology | None |
SIM type | |
Band | — |
NOTIFICATIONS | NOTIFICATIONS |
SMS alert | Yes |
Calls alert | Yes |
Email alert | Yes |
Event reminder | Yes |
Third-party apps alert | Yes |
Reply to Notifications | No |
MEDIA | MEDIA |
Audio | |
Bluetooth music | |
Loudspeaker | |
Microphone | |
Camera | No |
Radio | No |
SENSORS | SENSORS |
Accelerometer | |
Altimeter | Yes |
Ambient light | Yes |
Barometer | |
Compass | Yes |
ECG | |
Gyroscope | Yes |
HRM | Yes |
Pulse oximeter (SpO2) | Yes |
Temperature | No |
Other sensors | — |
ACTIVITY TRACKING | ACTIVITY TRACKING |
Blood oxygen | |
Blood Pressure | |
Calories | Yes |
Distance | Yes |
ECG tracking | |
Heart rate monitoring | Yes |
Sleep tracking | Yes |
Steps | Yes |
Floors climbed | |
Stress | Yes |
Fall detection | |
Menstrual cycle | |
VO2 Max | Yes |
Underwater heart rate tracking | — |
Swim-tracking | Yes |
On-screen workout | No |
Sport modes | 100, Yes |
BATTERY | BATTERY |
Battery type | non-removable Lithium-polymer |
Battery capacity | 390mAh |
Battery life | Typical usage: up to 18 days, Typical usage: up to 9 days |
Charging type | 2-Pin charging |
Charging time | 1-2 hours |
Solar charging | No |
PLATFORM | PLATFORM |
Chipset | — |
CPU | — |
GPU | — |
Operating system | Amazfit OS |
MISC | MISC |
Companion app | Zepp app (formally Amazfit app) |
Compatibility | Android 5.0+, iOS 10.0+ |
Payment system | Yes |
Interchangeable strap | |
Voice command | |
Find my phone | Yes |
Box content | Charger, Manual, Straps, Amazfit T-Rex Pro |
Reviews
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