Amazfit T-Rex 3

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

Positioning:
Dual-band & 6 satellite positioning systems

Sports Modes: 177
Smart Recognition of: 25 strength training movements, 8 sports movements
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 Apps: 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 test

Positioning:
Dual-Band: Support
Single-Band: Support
Satellite Positioning Systems: 6
GPS Modes:
Automatic Mode: Support (intelligently switches GPS settings based on signal strength, to save power)
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
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:
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