Huami, through its Amazfit range, has succeeded in creating a fitness band and smartwatch on the market that is fully functional and doesn’t drain the wallet. The Amazfit T-Rex is one of the newest smartwatches that carries the company’s DNA.

This wearable device brings all the capabilities of its predecessor, the Amazfit T-Rex, which was released last year, and updates it by offering a number of improvements, both in terms of hardware and software.

Design Framework

The Amazfit T-Rex Pro is a rugged fitness watch that targets sports enthusiasts who like to play in extreme places. This smartwatch offers 15 military grade certificates for being able to handle extreme environments. It also increases the water resistance from 5ATM in the previous model to 10ATM. This means the watch has to be able to stay underwater up to 100 meters, not 50 meters.

The Amazfit T-Rex Pro features an always-on 1.3-inch AMOLED display, a promised 18-day battery life with a 390mAh battery, built-in GPS, Bluetooth 5.0, and Huami’s self-developed BioTracker PPG 2 sensor for heart rate. and SpO2. measurement. It also has an acceleration sensor, gyroscope sensor, geomagnetic sensor, ambient light sensor, and barometric altimeter.

The frame of the T-Rex Pro is made of plastic. The rounded keypad has four navigation buttons, two on each side, just like its predecessor. There is a silicone strap attached to the main unit with a sweat-resistant design.

With all of the above attributes, the T-Rex Pro is priced at USD 250. This goes head to head with the Honor Magic Watch 2, Huawei Watch GT 2, and Fitbit Versa 2 smartwatches.

Even within its own ecosystem, as an alternative to the T-Rex Pro there are Amazfit Stratos 3, Amazfit GTR 2 and GTS 2. But they are not outdoor smartwatches and target a different type of buyer.

Featured Features

According to its DNA, the Amazfit T-Rex Pro can do many things well and accurately. For example in things like step tracking, continuous heart rate monitoring, blood oxygen readings, GPS, notification alerts and sleep tracking. This watch offers more than 100 activity and sport modes, so you won’t be short on anything.

The first thing you’ll notice when you first use this watch is the Amazfit T-Rex Pro’s bright and sharp display. The panel is very responsive, and the Always-On feature works as expected.

The interesting thing about this smartwatch is that despite enabling the Always On feature, the smartwatch manages to deliver heavy use for five full days.

However, you can significantly extend your watch’s battery life if you turn off the Always-On setting. Amazfit claims the T-Rex Pro can provide nine full days for heavy use and 18 days for basic use.

Overall, the package obtained is quite tough and durable. With its enhanced 10ATM water resistance, you can use the T-Rex Pro in the shower or dip it in the sink. Of course, you can’t take it out for a swim due to COVID-19 restrictions in public pools, but the T-Rex Pro can actually do it.

No Third Party App

Unfortunately, the Amazfit T-Rex Pro does not support third-party applications, like most of its siblings in the Amazfit line-up. Don’t expect to sync your fitness stats with other apps like Google Fit or Strava, and forget about Spotify which can play music without having to take your phone with you.

T-Rex includes exercise detection for activities like walking, cycling, etc. However, the smartwatch cannot automatically detect it. You have to start tracking manually to make it work.

The design of the watch itself is no problem, but it can limit its appeal. Smartwatches are quite large and may not appeal to women (who are not the target market). If you have a slim wrist, the Amazfit T-Rex Pro will really stand out, tending to look a bit odd. Also, changing the straps won’t be easy as there’s no quick disassembly mechanism.

Lastly, the GPS needs some improvement as it tends to deviate from the route. This might not be a big deal if you don’t place much emphasis on accurate GPS tracking. However, this can be resolved at a later date through a system update.


If you want a GPS smartwatch that is economical, tough and resistant to extreme weather, you can choose the Amazfit T-Rex Pro.

This watch is built to last on land and underwater and packs pretty well, with some features that aren’t too hard to digest.

Alternatively, you can consider the Amazfit GTS 2 or GTR 2 if you want a simpler design and don’t like big watches.

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