Amazfit T-Rex Pro is a rugged and outdoor smartwatch that comes with a 1.3-inch AMOLED screen with a resolution of 360×360 pixels and also protected by 3D Corning Gorilla glass. The smartwatch has passed 15 regulations of military standard (MIL-STD-810) and can withstand extreme temperatures and conditions from 70C heat to -40 cold.

The Amazfit T-Rex is powered by PAI health assessment Ssystem that uses an algorithm to transform complex information such as heart rate, activity duration, and other health data into a single numerical value unique to each user. The watch also supports 24×7 heart-rate monitoring, SpO2 monitoring, and sleep monitoring. Check out all other features below.
Amazfit T-Rex Pro Feaures
- 15 Military Certified (MIL-STD-810)
- AMOLED display with anti-fingerprint coating
- Silicone strap with a sweat-wicking design
- Built-in GPS, Barometric altimeter, and Compass
- SomnusCare – Monitors your total sleep, deep sleep, light sleep, etc.
- BioTracker 2nd gen. PPG optical sensor – 24/7 continuous heart rate measurement with resting heart rate, heart rate zones, and high heart rate warning
- OxygenBeats – Measures the oxygen level in the blood when you start feeling unwell, reminding you to test while automatically detecting the altitude level changes
- Supports 100+ Sports modes and calculates distance, speed to calories burned, etc.
- ExerSense – Automatically detects the motion patterns with the help of AI recognition engines
- Firstbeat algorithm that analyzes the data such as maximum oxygen uptake, complete recovery time, and training load, and lets you know your progress and accomplishments.
- 10 ATM Water-Resistance, Up to 18-days battery Life
- Weather tracker, sunrise and sunset monitor, and current moon phase display
- Phone notifications – Get all your notifications, including text messages, calls, scheduled alarms, and events on the T-Rex Pro.
- Control music playback on your mobile phone via Bluetooth

Amazfit T-Rex Pro is offered in three colors – Meteorite Black, Desert Grey & Steel Blue and priced at ₹12,999. It will be available to buy soon via Amazon.in and also through the brand’s official website starting 28th March 2021.
Amazfit T-Rex Pro Full Specifications
Screen | 1.3″ Color AMOLED 360×360 Pixels Tempered Glass Anti-fingerprint Coating |
Always-on Display | Yes |
Positioning | GPS GLONAS BeiDo Galileo |
Bluetooth | Bluetooth 5.0 BLE |
Sensors | BioTracker 2 PPG Bio-Tracking 3-axis acceleration 3-axis gyroscope Geomagnetic Ambient light Barometric altimeter |
Water-resistance Grade | 10 ATM |
Battery | 390mAh Up to 18 days |
Operating System | RTOS |
Supported Devices | Android 5.0 or above iOS 10.0 or above |
Power Adapter | Magnetic Charging Base User instruction manual |
Application | Zepp App |
Dial Size | 47.7 x 47.7 x 13.5mm |
Strap Width | 22mm |
Weight | 59.4g with Strap |
Materials | Polycarbonate (Body) Silicone Rubber (Strap) |