Amazfit T-Rex 2

Works with: iPhone and Android
Display: AMOLED, 1.39 in
Case sizes: 47 mm
GPS battery: 26 hours
Water resistance: 10 ATM
Weight: 66.5 g
Cellular: No

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Amazfit T-Rex 2 at a glance

Battery

26 hours with GPS
GPS

Built-in GPS

No maps. Runs and rides without your phone.
Display

AMOLED, 1.39 in

1.39 in, always-on option and touchscreen.
Health

Heart, sleep and more

Measures blood oxygen.
Phone & smart

iPhone and Android

Notifications from your phone.
Build

10 ATM water rating

66.5 g. MIL-STD-810.

Amazfit T-Rex 2 full specifications

Overview

Brand	Amazfit
Model	T-Rex 2
Series	T-Rex
Colours	Khaki, Wild Green, Astro Black and Gold, Ember Black

Platform & apps

Works with iPhone and Android phones, running Zepp OS.

Operating system	Zepp OS
Works with	iPhone and Android
Minimum iOS	iOS 12
Minimum Android	Android 7
Chipset	NXP 555
RAM	32 MB
Storage	0.5 GB

Display

A bright, colourful screen that looks like a phone display.

1.39 in, always-on option and touchscreen.

Display type	AMOLED
Display name	HD AMOLED
Screen size	1.39 in
Resolution	454 x 454
Pixel density	326 ppi
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes
Controls	touchscreen

Design & durability

A 47 mm case weighing 66.5 g.

Rated 10 ATM: fine for swimming, snorkelling and water sports. Tested to MIL-STD-810 for shock, heat and cold.

Case sizes	47 mm
Case shape	Round
Dimensions	47.1 x 47.1 x 13.6 mm
Thickness	13.6 mm
Weight (case)	66.5 g
Case material	Polymer
Band material	silicone
Band width	22 mm
Fits wrists	140-205 mm
Water resistance	10 ATM
MIL-STD-810 tested	Yes

Battery

Up to 26 hours with GPS on.

Battery (GPS)	26 hours
All battery modes	Battery saver: 24 days; GPS: 26 hours; Battery saver: 45 days
Battery capacity	500 mAh
Charging	puck
Full charge time	120 min

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

GPS	Built-in

Health & sensors

Tracks heart rate around the clock, plus blood oxygen.

For sleep, it offers basic sleep tracking.

Sensors	optical HR, SpO2, accelerometer, gyroscope, barometer, compass, ambient light
Heart-rate tracking	24/7
Blood oxygen (SpO2)	Yes
Sleep tracking	Basic
Stress tracking	Yes

Training

Built for training, with the metrics serious athletes use.

It adds a triathlon mode.

Auto activity detection	Yes
Triathlon / multisport	Yes

Smart features

Keeps smart features simple: notifications rather than payments or music.

Notifications	Yes
Speaker	No
Microphone	No
Contactless payments	No
Cellular	None
Wi-Fi	None
Bluetooth	Bluetooth 5.0

Specs compiled from Amazfit's product pages and datasheets, with some identifiers from Open Icecat. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.