Amazfit T-Rex User Manual

Long press the SELECT button to exit the battery saver mode.
Screen lock
With the screen lock function on, the watch can only be unlocked by using the watch button. This
can prevent any error caused by unintentional screen touches. Once locked, the screen can be
unlocked by short pressing the SELECT button to unlock the screen.

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