Amazfit T-REX ULTRA 2 Smartwatch

Design

Colors: Black Magma

Dimensions (without heart rate base): 51 x 51 x 14.3mm

Weight (with strap): 89.2g

Body Material:
Case: Fiber-reinforced polymer
Bezel, Buttons, Back Panel: Grade 5 Titanium

Buttons: 4

Water-Resistance Grade: 10 ATM

Flashlight: Support

Mic: Support

Speaker: Support

Motor: Linear motor

Storage¹⁸:
Total: 64GB
Available: 26.7GB

Display

Material: AMOLED

Size: 1.5"

Peak Brightness¹⁷: Up to 3,000 nits

Resolution: 480 x 480

PPI: 322

Touchscreen: Sapphire glass

Battery

Battery Capacity: 870 mAh (rated value)

Typical Use Battery Life: Up to 30 days

Heavy Use Battery Life: Up to 15 days

AOD Mode: Up to 10 days

Accurate GPS Mode: Up to 50 hours

Power-Saving GPS Mode: Up to 90 hours

GPS Max Battery Life: 177 hours

Trail Running - Normal Mode: Up to 44 hours

Trail Running - Heavy Mode: Up to 30 hours

Low Temperature Mode(GPS on): Up to 40 hours

Low Temperature Mode (GPS off): Up to 32 days

Sensors

Movement:
Acceleration sensor
Gyroscope sensor
Geomagnetic sensor
Barometric altimeter
Ambient light sensor
Temperature sensor

Positioning:
Dual-band positioning
6 satellite positioning systems
Circularly-polarized GPS antenna

Connection: Wi-Fi 2.4GHz, Bluetooth 5.2, BLE

Strap

Materials: Silicone

Width: 26mm

Min. & Max. Wrist Dimensions:
48mm: 145-210mm
44mm: 140-205mm

Buckle: Classic pin buckle

Packing List, Supported Devices & Application

Packing List:
Smartwatch (including standard strap)
Magnetic charging head (no cable)
Instruction manual

Packaging Materials: Made with 100% recyclable materials

Supported Devices: Android 7.0 and above, iOS 15.0 and above

Application: Zepp App

Sports Features

Sports Modes: 187

Smart Recognition of:
25 strength training movements¹⁹
8 sports movements²⁰

Template Creation²¹:
Training templates (via the Zepp App)
Interval training (via the watch)

Advanced Running Support:
Track Run mode
Smart trajectory correction
Virtual pacer

Connection to Peripheral Workout Devices:
Heart rate belt
Running power meter
Cycling power meter
Cycling speedometer
Cycling cadence meter

Sports Coach: Zepp Coach™

Workout Status: PeakBeats™

Sync to 3rd Party Fitness Apps:
Strava, Relive, Runkeeper, adidas Running, komoot, TrainingPeaks, Apple Health, Google Fit, intervals.icu, Treinus

Sports Convenience:
Live broadcast of sports data
Live broadcast of turn directions
Sports data stays on-screen
Conditional pause

Health Features

BioCharge™: Support

24H Monitoring:
Heart rate
Blood-oxygen saturation
Stress level
Skin temperature (thermometer)

Manual Measurement:
Heart rate
Blood-oxygen saturation
Stress level
One-tap measurement

Sleep Quality Monitoring:
Sleep heart rate variability
Sleep stages (including REM)
Daytime naps
Sleep schedule
Sleep breathing quality
Sleep score

Health Assessment System: PAI²²

Breathing Exercise:
Support
Breath-holding training (downloadable from Zepp App)
Breath-holding test (downloadable from Zepp App)

Health reminders:
Abnormally high & low heart rate
Low blood-oxygen
High stress level
Prompts to perform stress-reducing breathing exercise
Altitude prompts for blood-oxygen test

Outdoor Features

Positioning:
Dual-Band: Support
Single-Band: Support
Satellite Positioning Systems: 6

GPS Modes:
Accuracy Mode: Support
Automatic Mode: Support (intelligently switches GPS settings based on signal strength, to save power)
Power Saving Mode: Support
GPS Long Battery Life Mode: Support (only supported by Hiking & Climbing sports modes)
GPS Max Battery Life: Support (only supported by Hiking & Climbing sports modes)
Trail Running - Normal Mode: Support
Trail Running - Heavy Mode: Support

Navigation & Maps:
Offline Maps: Support
Turn-by-Turn Directions: Support
Point of Interest Search: Support
Round-Trip Route Creation: Support
Route Planning: Support
Auto-Rerouting: Support
Waypoint Reminders: Support
Route Import: Support
Real-time Navigation: Support
Real-time Movement Tracking: Support
Save Location Point: Support
Direct Return Navigation: Support
Route Deviation Reminders: Support

Outdoor & Environment Tools:
Flashlight: Support (4 white light brightness levels; 1 green light mode; Boost Mode )
Altitude Assistant: Support
Ultra-low Temperature Mode: Support (after enabling via watch settings)
Night Display: Support
GPS Calibration: Support
Compass: Support

Information & Early Warning Alerts:
Sunrise & Sunset: Support
Moon Phase: Support
Tide Display: Support
Storm Warning Alerts: Support
High Altitude Blood-Oxygen Reminders: Support

Lifestyle Features

AI Assistant:
Zepp Flow™: Support (select countries and regions)

Convenience:
Membership Cards²³: Support
Shortcut Cards: Support
OTA Update via Wi-Fi: Support
Events Reminder: Support
To Do List: Support

Smartphone Assistance:
Bluetooth Calling: Support
Bluetooth Phone Music Control: Support
Bluetooth Phone Camera Control
(iOS only): Support
Phone Call Notifications: Support
SMS Notifications: Support
App Notifications: Support
Call Quick Reply(Android only): Support
Find My Phone: Support

Timing:
Alarm Clock: Support
World Clock: Support
Stopwatch: Support
Pomodoro Timer: Support

Daily Life:
Weather: Support
Thermometer: Support
Sedentary Reminders: Support
Screen Lock & Password: Support
Do Not Disturb: Support
Voice Memo: Support
Morning Updates²⁴: Support
Music Storage: Support

180+ Sports Modes

Running & walking:
Outdoor running, Treadmill, Walking, Trail running, Indoor walking, Race walking, Track run, Ultramarathon, Dog walking

Cycling:
Outdoor cycling, Indoor cycling, Mountain biking, BMX, E-Bike, E-MTB, Gravel cycling, Bicycle commuting, Bicycle touring, Road cycling, Cyclocross

Swimming:
Pool swimming, Open water swimming, Fin swimming, Artistic swimming

Outdoor workouts:
Climbing, Hiking, Orienteering, Rock climbing, Fishing, Hunting, Skateboarding, Roller skating, Parkour, ATV, Offroad motorcycle, Mountain hiking, Rucking

Indoor workouts:
Hybrid training, Elliptical, Rowing machine, Stair-climbing machine, Stair stepper, Spinning, Indoor fitness, Mixed aerobics, Cross-training, Aerobics, Group calisthenics, Body combat, Strength training, Step training, Core training, Flexibility training, Free training, HIIT, Yoga, Pilates, Gymnastics, Horizontal bar, Parallel bars, Battling ropes, Stretching, Bouldering, Indoor rock climbing, Ski machine

HYROX workouts:
HYROX race, HYROX PFT, HYROX training

Dance:
Square dance, Ballroom dance, Belly dance, Ballet, Street dance, Zumba, Latin dance, Jazz dance, Hip-hop dance, Pole dance, Breaking, Folk dance, Dance, Modern dance, Disco, Tap dance

Combat sports:
Boxing, Wrestling, Martial arts, Tai Chi, Muay Thai, Judo, Taekwondo, Karate, Kickboxing, Fencing, Jiu-Jitsu, Kendo

Ball workouts:
Soccer, Beach soccer, Basketball, Volleyball, Beach volleyball, Baseball, Softball, Rugby, Hockey, Table tennis, Badminton, Tennis, Squash, Gateball, Cricket, Handball, Bowling, Polo, Racquetball, Billiards, Sepak takraw, Dodgeball, Water polo, Ice hockey, Shuttlecock, Indoor soccer, Footbag, Bocce ball, Pelota, Floorball, Golf swing, Pickleball, Padel

Water workouts:
Outdoor boating, Sailing, Kayak, Rowing, Dragon boat, Paddleboarding, Indoor surfing, Tubing, Water skiing, Snorkeling, Kitesurfing, Surfing, Wakesurfing

Diving workouts:
Outdoor freediving, Indoor freediving, Recreational diving, Spearfishing

Winter workouts:
Skiing, Snowboarding, Downhill skiing, Cross-country skiing, Ski orienteering, Biathlon, Outdoor skating, Indoor skating, Curling, Bobsleigh and tobogganing, Sledding, Snowmobile, Snowshoeing, Ski mountaineering

Extreme workouts:
Skydiving, Paragliding, Wingsuit flying

Leisure workouts:
Hula hooping, Frisbee, Darts, Kite flying, Tug-of-war, Jianzi kicking, Esports, Air walker, Swing, Shuffleboard, Foosball, Motion sensing game

Board & card games:
Chess, Checkers, Go, Bridge, Board game

Others:
Jumping rope, Archery, Equestrianism, Driving, Stair climbing, Triathlon, Multisport, Snow shoveling