Balance Training & Recovery
Real-Time Performance
See how you're performing compared to your previous workouts⁹.
Zepp Coach™
Get personalized AI-generated training programs, including running plans for 5K, 10K, half and full marathons.
Smarter Metrics
Track key performance metrics like VO₂ Max, Training Load, and Training Effect to optimize your training and make every workout count.
PAI
Personal Activity Intelligence¹⁰ (PAI) is a simple health score based on your heart’s response to exercise, designed to help you track and improve cardiovascular fitness.
Built for Every Adventure
Industry-Leading GPS
Get rock-solid GPS tracking, whether you're navigating the Sandton CBD or deep within the Knysna forest. The T-Rex 3 Pro's dual-band, six-satellite system⁵ provides a rapid and precise connection, making it the essential tool for tackling South Africa's most demanding hikes and intense trail races.
Every Beat Counts
Trust your data on the toughest South African terrain. The T-Rex 3 Pro’s advanced BioTracker™ sensor ensures exceptionally accurate heart-rate monitoring. For elite-level precision during events like the Ultra-Trail Cape Town, pair it with the Helio Strap. This combination delivers the pro-grade data needed to make smarter training decisions and push your performance.
Pro-Grade Waterproofing
Balance Training & Recovery
Total Voice Control
Zepp Flow™ gives you full control of your watch using just your voice¹³. Easily adjust settings, check your Zepp Coach™ progress, and more.
Message Replies
Type Android message replies¹⁴ using a full QWERTY keyboard or dictate them via speech-to-text. Zepp Flow™ optimizes your reply with suggestions or translations and sends it seamlessly.
Bluetooth Peripherals
Connect to an action camera, heart rate belt, cadence meter, power meter, thermometer, speedometer, and more¹⁵.
48mm
Up to 25 Days with Typical Use Up to 38 Hours with Accurate GPS Mode Up to 85 Hours with GPS Long Battery Life Mode
Proven by UTMB Champions
Data Without Subscription: Zepp App for Amazfit
Complete Analysis
Easily review all the information that matters to you
Health Measured
Track heart rate, breathing rate, blood oxygen, and stress
Sleep Monitored
View nightly sleep stages for insights to recover faster
Steps Tracked
Accomplish fitness goals with accurate daily step tracking
Calories Burned
Know calories burned to make your nutritional goals
Food Analysed
Take a picture of your food to know protein, calories, carbs, and fat
Workout Shared
Easily sync workout data to your other fitness apps
Complete Analysis
Easily review all the information that matters to you
Health Measured
Track heart rate, breathing rate, blood oxygen, and stress
Sleep Monitored
View nightly sleep stages for insights to recover faster
Steps Tracked
Accomplish fitness goals with accurate daily step tracking
Calories Burned
Know calories burned to make your nutritional goals
Food Analysed
Take a picture of your food to know protein, calories, carbs, and fat
Workout Shared
Easily sync workout data to your other fitness apps
Connect to the Zepp App
The Zepp App is where you can really deep dive into the health and fitness data tracked by your Amazfit T-Rex 3, and get actionable guidance to help you achieve your goals.
It's also where you can download your favorites from hundreds of watch faces and mini apps from the in-app store and install them on your watch.
The Zepp App is compatible with both iOS and Android devices - so even if you change your phone, you'll always be able to connect your Amazfit watch.
Food Logging, with Zepp App
Frequently Asked Questions
Does the T-Rex 3 Pro smartwatch work with Apple iPhone and Android mobile phones or devices?
Yes, most Amazfit devices are compatible with both Apple iOS and Samsung, Google or other Android OS based mobile phones.
Can I make or receive calls with the Amazfit T-Rex 3 Pro smartwatches?
Yes, the T-Rex 3 Pro supports Bluetooth phone calls and texts.
Does it support third-party music apps like Spotify and Pandora?
Third-party music apps can't be installed directly into the watch but the T-Rex 3 Pro does have music player controls when playing off your mobile device.
Does the Zepp App sync with sports and fitness apps?
Yes, the Zepp app does sync with certain fitness, heath, or sports apps such as Strava, Relive, Runkeeper, adidas Running, komoot, TrainingPeaks, Apple Health, Google Fit, intervals.icu, Treinus. Availability of certain apps may vary depending on your country or region. Apple Health is only available on iOS devices, and Google Fit is only available on Android devices.
How long does the Amazfit T-Rex 3 Pro smartwatch battery last?
T-Rex 3 Pro 48mm: with up to 25 days of battery life under typical use.
Is the Amazfit T-Rex 3 Pro smartwatch waterproof? If so, how deep can it go?
T-Rex 3 Pro features a water-resistance grade of 10 ATM, meaning it can withstand pressure equivalent to 100 meters or 328 feet of static water depth for up to 10 minutes.
Can I use the Amazfit T-Rex 3 Pro for diving?
Yes. The Amazfit T-Rex 3 Pro is certified for diving and supports depths of up to 45 meters, making it suitable for both freediving and recreational scuba diving. Learn more about Amazfit Diving Technology here.
Why doesn't the Amazfit T-Rex 3 Pro smartwatch package include a USB-C cable?
Amazfit is committed to sustainability, striving to minimize environmental impact and promote waste reduction across its products and operations. Many users already have an extra unused USB-C cable.
My Amazfit smartwatch's Bluetooth keeps disconnecting from my mobile device, how do I fix this?
If your Amazfit smartwatch's Bluetooth keeps disconnecting from your mobile device, please ensure that both the Zepp app and your device's operating system are up to date. Restart your smartwatch, then try reconnecting via Bluetooth. If the problem persists, consider performing a factory reset on your watch.
Technical Specifications
Colors:
48mm: Tactical Black, Black Gold
44mm: Arctic Gold, Black Gold
Dimensions (without heart rate base):
48mm: 48 x 48 x 14mm
44mm: 44.8 x 44.8 x 13.2mm
Weight (without strap):
48mm: 52g
44mm: 46.8g
Body Material:
Case: Fiber-reinforced polymer
Bezel & Buttons: Grade 5 Titanium
Buttons: 4
Water-Resistance Grade: 10 ATM
Mic: Support
Speaker: Support
Motor: Linear motor
Material: AMOLED
Size:
48mm: 1.5"
44mm: 1.32"
Peak Brightness: Up to 3,000 nits
Resolution:
48mm: 480 x 480
44mm: 466 x 466
PPI:
48mm: 322
44mm: 353
Touchscreen: Sapphire glass
Battery Capacity:
48mm: 700 mAh (rated value)
44mm: 500 mAh (rated value)
Typical Use Battery Life:
48mm: Up to 25 days
44mm: Up to 17 days
Heavy Use Battery Life:
48mm: Up to 10 days
44mm: Up to 8 days
Accurate GPS Mode:
48mm: Up to 38 hours
44mm: Up to 26 hours
Power-Saving GPS Mode:
48mm: Up to 74 hours
44mm: Up to 51 hours
GPS Long Battery Life Mode:
48mm: Up to 85 hours
44mm: Up to 60 hours
GPS Max Battery Life:
48mm: Up to 116 hours
44mm: Up to 86 hours
Low Temperature Mode¹ ⁷(GPS on):
48mm: Up to 25 hours
44mm: Up to 14 hours
Low Temperature Mode (GPS off):
48mm: Up to 25 days
44mm: Up to 14 days
Health: BioTracker™ 6.0 PPG biometric sensor (5PD + 2LED)
Movement:
Acceleration sensor
Gyroscope sensor
Geomagnetic sensor
Barometric altimeter
Ambient light sensor
Temperature sensor
Positioning:
6 satellite positioning systems
Circularly-polarized GPS antenna
Connection: Wi-Fi 2.4GHz, Bluetooth 5.2, BLE
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 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 Apps²²:
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
AI Assistant:
Zepp Flow™: Support (select countries and regions)
Convenience:
Membership Cards²⁵: 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 Updates²⁵: Support
Music Storage²⁶: Support
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: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
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)
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
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 (200 lux brightness; 300 lux brightness in Boost Mode)
Altitude Assistant: Support
Ultra-low Temperature Mode: Support
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
The product images and screen content shown above are for reference purpose only. The actual product (including but not limited to its appearance, color and size) and screen display content (including but not limited to the background, UI and graphics) may differ slightly.
The data that is provided on this page without a specified source is taken from internal laboratories or supplier data, and has been obtained under a specific test environment. The product's actual performance may differ slightly due to product individual differences, software versions, usage conditions and environmental factors.
To provide product information, specifications and characteristics as accurately as possible, our company may adjust and revise the text descriptions, images and other content in the above pages at any time. Due to real-time changes in product batches and production-supply factors, we may modify the above information as required without providing a special notice.
The radio waves generated by the equipment may affect the normal operation of implanted medical equipment or personal medical equipment, such as pacemakers and hearing aids. If you use these devices, please consult their manufacturers for restrictions on using this device.
The product should not be worn in environments with strong magnetic fields such as MRI machines or medical imaging machines, as they may cause damage to the watch.