Amazfit T-Rex User Manual

Physical Buttons
SELECT button:
 Long press the button for 2 seconds to power on the watch.
 Short press to light up the screen.
 Short press on the watch face will open the workout list. (You can also set this operation to
quickly start other functions by customizing in the system settings.)
 Short press on other pages will enter the next menu level, or enter a sub-page when on a list
page.
 Long press for 10s to shut down.
BACK button:
 Short press to light up the screen.
 Short press on the watch face to turn off the screen.
 Short press on other screens to return to the previous page.
 Long press on other screens to quickly return to the watch face.
UP & DOWN buttons:
 Short press on the watch face to switch between different widgets.
 Short press on any list screen to change the currently selected item.
 Short press on a long page to scroll up and down.

Amazfit T-Rex Specifications

General

Shape	Round
Color name	Gun Grey
Closure type	Single prong strap buckle
Band material	-
Removable strap	Yes
Watch case color	Gray
Waterproof up to	50 m
Market positioning	Smartwatch
Protection features	Splash proof, Waterproof
Watch case material	Polymer
Display type	Digital
Display diagonal	1.3 \
Watch glass type	Corning Gorilla Glass 3
Display resolution	360 x 360 pixels
Display technology	AMOLED
Built-in microphone	No
Mobile operating systems supported	Android 5.0, Android 5.1, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, iOS 10.0, iOS 11.0, iOS 11.4, iOS 12, iOS 13
Heart rate sensor type	Optical
Battery capacity	390 mAh
Battery life (max)	480 h
Battery life (GPS mode)	20 h
Bluetooth version	5.0
Headphone connectivity	Bluetooth

Weight and Dimensions

Width	47.7 mm
Weight	58 g
Thickness	13.5 mm