Gamers are always out of shape! Esports media "Saiga NAK" always wants to be on the side of gamers and has reviewed numerous health products, believing that building up your physical strength on a daily basis will also give you the stamina to play games for long hours.
This time, we challenged ourselves to climb a mountain with the smartwatch "Amazfit T-Rex 3" released by Amazfit!
Even gamers who usually spend their days at desks should be able to climb a mountain if they put their minds to it, right!?
We'll be reviewing the "Amazfit T-Rex 3," which has overwhelming battery life and various functions such as checking mountain climbing routes, along with the charm of nature that you can't experience even at the gym!
The "Amazfit T-Rex 3" Made for Mountain Climbing


The "Amazfit T-Rex 3" has a strong presence, emerging from a box with a mountain map drawn on it.
Among all the smartwatches I've seen so far, it feels like it has one of the largest screens.
This way, even with numb hands, I can handle it without fumbling, and even though the screen is so large, it's lighter than my Apple Watch that I usually use!

The accessories are as follows:
- "Amazfit T-Rex 3" main unit
- Instruction manual
- Charger
- Replacement parts
It's good that there are no messy parts and you can use it right away after charging!
For the charger, a cable is not included, so you'll need to prepare one.
Highly Durable Gorilla Glass!

Amazfit claims that the "Amazfit T-Rex 3" features high durability.
Amazfit Official WebsiteThe stainless steel body and Gorilla Glass-coated display have passed 9 MIL-STD tests.
Gorilla Glass!
This is the first time I've seen such a concise explanation that gives a sense of security regarding durability.
It truly is a product made to perform well even when covered in outdoor accidents, rain, or mud.

The charging port is Type-C.
And the "Amazfit T-Rex 3" has excellent battery life, lasting up to 27 days!
That's almost a month without needing to charge!
With this, you can use it comfortably without thinking, "I forgot to charge it the night before!"
Easy Setup!
Setup is easy: turn on Bluetooth and connect.
Scan the QR code displayed on the "Amazfit T-Rex 3" unit, install the dedicated Amazfit app "Zepp," and you're ready to go!
Found an Interesting App
Fitness smartwatches now come in a wide variety, and all of them have a rich selection of workout menus.
As I was looking for something else interesting, I found "Water Drinking Reminders"!
They say that drinking 2-3 liters of water a day improves metabolism and helps flush out waste products, but it's quite difficult for people who do desk work or don't have a habit of drinking water.
This feature, which makes you consciously drink water, is very helpful!
I also found a "To-Do List" function that allows you to check important items!
You can check it on the large screen, so it seems good to include workout menus there too.
Before Mountain Climbing, Set Up the "Amazfit T-Rex 3"

The optimal app for mountain climbing is "YamaReco."
With "YamaReco," you can import mountain climbing routes to your smartphone, and when you select your preferred route, it downloads the map for you!
And by installing "YamaReco" and the dedicated Amazfit app "Zepp," you can check mountain climbing routes from your "Amazfit T-Rex 3."
Step ① App Settings
- Install "YamaReco"
- Select "Plan a trip with YamaReco"
- Select the mountain to climb
- Decide the route on the map
- Fill in the necessary items for the mountain climbing plan and save
- Tap the map with the decided route in "My Plans"
- Download the GPX file
- Open the GPX file map from your app's files and share it to "Zepp"
(Note that the GPX file download location varies depending on your smartphone) - From "My Routes" in "Zepp," select "Send to Device"
Step ② "Amazfit T-Rex 3" Settings
- Select "Hiking" from the exercise menu
- Select "Navigation" in the settings
- Select your registered map from "My Routes"
- →Route preview to confirm the map
→Use route to actually navigate
Amazfit Japan has posted detailed instructions, so please refer to them.
Also, if "Zepp" does not appear as a sharing destination on your smartphone, reinstalling the "YamaReco" app again made it appear on the sharing screen!
Reika Challenges Mountain Climbing Wearing the "Amazfit T-Rex 3"!

Wearing the "Amazfit T-Rex 3," we headed to the trailhead from the nearest station to challenge mountain climbing, but something unexpected happened early on...

The stairs to the trailhead were too long.
Reika: "These are the stairs for the protagonist to train on, right?"
Saying that, we arrived at the trailhead.
Having been taken aback by the stairs, I was only worried about the upcoming climb.
Even after taking a short break to catch our breath...

Reika: "What is mountain climbing?"
Reika, having collected herself, properly started climbing the mountain.
At first, she was wearing a down jacket for full cold weather protection, but the full-body exercise made her comfortably warm.
And then a new accident occurred...
Reika: "Nobody told me about this!!!"
What stood in our way, who thought we were just hiking, was a large rock that made us think, "This is a cliff!"
The fallen leaves made it slippery, and small holes were hard to see, so we moved our feet carefully...

The nature was so vast that when we saw signboards and colored tapes as markers, we said, "Artificial objects are so comforting," and then we finally reached 1,000m!
After slipping on rocks and pushing through grass, what we saw ahead was...

Reika: "I can see the road!!!"
Yes, we finally reached a proper road.
Reika: "Now we can finally go back to hiking!"
But that was only for a moment...

Reika: "I'm off the route?!"
After carefully checking My Routes on the "Amazfit T-Rex 3," it was discovered that we were going in a different direction than the route!
When we looked for which way to go...

Reika: "Oh, it's that way..."
The direction indicated by the "Amazfit T-Rex 3" was a mountain climbing route full of fallen leaves, just like before, far from hiking.

Reika: "Nooooo! I'm slipping!"
After passing through the rugged mountain path, ropes finally appeared, and we descended the cliff.
And then to the target observation deck...

We finally reached the top! After overcoming many hardships, we saw a refreshing cityscape.
The clouds were closer than usual, and the sunlight streamed down in patches, creating a moving scene, and the cool wind felt pleasant.
Reika: "The Amazfit T-Rex 3 is the perfect companion for mountain climbing!"

This time, the "My Routes" feature, which allows for detailed map checking, helped us greatly, as an alarm sounds if you stray a certain distance from the route, so there's no "It was too late when I noticed!" situation.
Also, it regularly announced the current time and altitude, which was a crucial support when I felt like giving up!
Other things you can easily see include:
- Exercise time
- Distance
- Heart rate
- Altitude
You can also customize it to see other data such as:
- Aerobic TE
- Maximum ascent altitude
depending on the settings.
You can check the map on the watch itself!
The "Amazfit T-Rex 3" also has an offline map function, allowing you to display pre-downloaded maps on the device itself.
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To set it up, tap "Map Management" in the settings of the Zepp app installed on your smartphone, select the displayed map, and then select "Add to device download list."
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After that, you can download it by following the instructions on the watch itself.

If you download it, you can check your current location from your smartwatch while running or mountain climbing!

In addition to the surrounding map, water systems, green spaces, and contour lines are also displayed, making it easy to grasp your location while mountain climbing.
Eat Lunch and Descend!

As expected, the bento after a hard effort was exceptionally delicious, and it was worth making it by hand.
I quickly devoured the rice balls and tamagoyaki, but next time I'd like to bring some warm soup too.
Looking at the mountain we climbed today after descending, there's an indescribable special feeling of "I was looking at the view from up there."
How about you all try mountain climbing and the "Amazfit T-Rex 3" at this opportunity?

One word after climbing the mountain.
Reika: "This is our backyard now."
"Amazfit T-Rex 3" is Now On Sale!
The "Amazfit T-Rex 3" is now available on the Amazfit official website, Amazon.co.jp, and Rakuten Ichiba.
It comes in two colors, Onyx and Lava, and the selling price is 39,999 yen (tax included).
The "Amazfit T-Rex 3" supports mountain climbing apps like YamaReco and Yamap, boasts long battery performance, and has high heat, cold, and water resistance.
Despite being equipped with high-end functions, it's also a cost-effective choice, making it an optimal option for those starting out in outdoor activities, mountain climbing, or camping.
For more details on the product, please check the product page.
あらゆる冒険に対応!
❄️ スキーリゾートで使える無料オフラインマップ
⛷️ 14種類のウィンタースポーツモード+新機能「スキーマウンテニアリングモード」
🧤 グローブ対応・低温モード・ストーム警報で冬の冒険をサポート
✨ 最大2,000ニトの明るいディスプレイ
🔋 3週間以上のバッテリー持続… pic.twitter.com/L9oROso5WK— Amazfit / スマートウォッチ (@AmazfitJapan) December 12, 2024













