Amazfit T-Rex User Manual

The brightness adjustment will take effect immediately. You can swipe right on the screen or short
press the BACK button to return to the previous screen.
DND mode
Turn on DND: once turned on, the watch will no longer vibrate when notifications and incoming
call reminders are received from your mobile phone. Tap again to disable DND mode.
Timed DND: You can customize the time period during which DND mode is automatically turned
on or off.
Smart DND: After you fall asleep with the watch, the watch will automatically turn on DND
mode.
Battery saver mode
The Battery Saver mode can maximize your watch's battery life. With the Battery Saver mode on,
the watch will only display time and record your number of steps and sleep time. Other functions
are disabled.

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