Big, Bright, and Easy to Read
Able to reach 2,000 nits peak brightness², the AMOLED display makes every turn on your map and every detail of your workouts clear at a glance.
Turn on night display and your data will be illuminated in bright red, green, or orange, making it easier on your eyes to read in dark environments.
With the new Glove Mode, your display will stay responsive to touch when you're wearing gloves up to 2mm thick.
Balance Training & Recovery
Readiness
Get an intuitive daily score that summarizes your mental and physical recovery, along with an insight on whether you should prioritize rest or activity today.
Sleep Tracking
Monitor your sleep stages, sleep breathing quality, and daytime naps, and get a sleep score in the Zepp App each morning.
Heart Rate Variability
See how your heart responds to life's stresses.
Health Monitoring
Track your heart rate, blood-oxygen and stress, 24/7. Get smart health alerts for abnormal readings¹⁶. Measure four health metrics in one tap.
Rep and Set Tracking Strength Training Mode
Over 3 Weeks of Battery Life
Whether you're planning to go camping in the wilderness, set out on a multi-day hike, or jet off for an adventure holiday, power through with the Amazfit T-Rex 3.
- Typical Use: 27 Days
- Heavy Use: 13 Days
- GPS Accurate Mode: 42 Hours
- GPS Long Battery Life Mode: 114 Hours
- GPS Max Battery Life: 180 Hours
Eco-Friendly Packaging, Inside and Out
To honor the great outdoors, the Amazfit T-Rex 3’s packaging is made from 100% recyclable, plastic-free, and biodegradable materials.
We have also removed the charging cable, saving 3g of metal and 4.5g of plastic per unit and reducing cable clutter in your home. The charging base is still included in the packaging; simply connect it to any of your existing USB Type-C cables to power up your T-Rex 3.
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.
Easily Change Your Strap
Balance Training & Recovery
Cadence Meter
Heart Rate Belts
Action Cameras
Air Quality Monitor
Crafted for Adventure
Frequently Asked Questions
Does the T-Rex 3 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 T-Rex 3 smartwatches?
The T-Rex 3 doesn't support Bluetooth phone call but supports phone call notifications.
Does the T-Rex 3 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 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, adidas Running, TrainingPeaks (via Terra), komoot, Relive, Google Fit, Apple Health. Other apps such as Samsung Health or Myfitnesspal do not sync.
How long does the T-Rex 3 smartwatch battery last?
Regular typical use of the T-Rex 3 will result in about 27 days of battery while battery saver mode will extend it to 40 days.
How long does it take the T-Rex 3 smartwatch to charge?
The T-Rex 3 smartwatch takes about 3 hours to fully charge from empty. Once fully charged the battery life on the T-Rex 3 will last 27 days.
Can I use the Amazfit T-Rex 3 for diving?
Yes. The Amazfit T-Rex 3 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 Technologyhere.
Does the Amazfit T-Rex 3 support running sports mode? What do the running metrics on this watch actually tell me?
Yes, the T-Rex 3 supports a variety of running sports modes, such as outdoor running, trail running, treadmill, and more. But it doesn’t stop at basic tracking — the watch also analyzes key performance metrics like VO₂ Max, heart rate zones, recovery time and more. Learn more about Amazfit Running Technologyhere.
Is the T-Rex 3 smartwatch waterproof? If so, how deep can it go?
The T-Rex 3 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.
Why doesn't the T-Rex 3 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.
Technical Specifications
- Colors: Onyx, Lava, Gray
- Dimensions (without heart rate base): 48.5x48.5x13.75mm
- Weight (without strap): 68.3g
- Body Material: Stainless steel bezel, Polymer middle frame
- Buttons: 4
- Water-resistance Grade: 10 ATM
- Diving Certification: EN13319, ISO 6425, GB/T 18828 certification for freediving to 147 feet
- Mic: Support
- Motor: Linear motor
- Strap:
Materials: Liquid silicone
Width: 22mm
Min. & Max. Wrist Dimensions: 145mm-210mm
Buckle: Classic pin buckle
- Material: AMOLED
- Size: 1.5"
- Resolution: 480*480
- PPI: 322
- Touchscreen: Gorilla Glass
- Battery Capacity: 700 mAh (rated value)
- Charging Method: Magnetic charging base
- Theoretical Charging Duration: Approx. 3 hours
- Battery Usage:
Typical Usage Scenario Battery Life: Up to 27 days
Battery Saver Mode Battery Life: Up to 40 days
Clock Mode Battery Life: Up to 81 days
Heavy Usage Scenario Battery Life: Up to 13 days
Accuracy GPS Mode: Up to 42 hours
Power Saving GPS Mode: Up to 72 hours
GPS Max Battery Life: Up to 180 Hours
Low Temperature Mode (GPS on)：Up to 28 hours
Low Temperature Mode (GPS off)：Up to 32 days
- Health:
BioTracker™ 6.0 PPG biometric sensor - Movement:
Acceleration sensor
Gyroscope sensor
Geomagnetic sensor
Barometric altimeter
Ambient light sensor
Temperature sensor - Positioning:
Dual-band & 6 satellite positioning systems - Connection:
WiFi 2.4GHz, Bluetooth 5.2, BLE
- Packing List:
Smartwatch (including standard strap)
Magnetic charging base (no USB Type-C cable)
Instruction manual
- Supported Devices:
Android 7.0 and above, iOS 14.0 and above - Application: Zepp App
Sports Features
- Sports Modes: 177
- Smart Recognition of: 25 strength training movements, 8 sports movements¹⁹
- Template Creation: 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 Apps²⁰: Strava, adidas Running, TrainingPeaks (via Terra), komoot, Relive, Google Fit, Apple Healt
- Sports Convenience: Live broadcast of sports data²¹, Live broadcast of turn directions, Sports data stays on-screen, Conditional pause
Health Features
- 24H Monitoring: Heart rate, Blood-oxygen saturation, Stress level
- Manual Measurement: Heart rate, Blood-oxygen saturation, Stress level, One-tap measurement
- Sleep Quality Monitoring: Sleep stages (including REM), Daytime naps, Sleep breathing quality, Sleep score
- Health Assessment System: PAI
- 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 test²²
- AI Assitant:
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 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 Storage²⁵: Support
- Running & walking:
Outdoor running, Treadmill, Walking, Trail running, Indoor walking, Race walking, Track run, Ultramarathon - 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 - Indoor workouts:
HYROX Race, 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 - 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, 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
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.
- This device is not a medical device
- Water resistance rating tested under laboratory conditions
- Actual battery life may vary with usage
- Features may vary by region