Amazfit T-Rex Ultra 2 Black EU W2550GL2N

Specifications

General Features:

• Dimensions (without heart rate sensor): 51 × 51 × 14.3 mm


• Weight (with strap): 89.2 g


• Case Material: Fiber-reinforced polymer


• Bezel, Buttons, Back Cover: Grade 5 Titanium


• Buttons: 4


• Water Resistance: 10 ATM


• Flashlight: Supported (4 white brightness levels, 1 green light mode, Boost mode)


• Microphone: Supported


• Speaker: Supported


• Motor: Linear motor


• Storage: Total: 64 GB, Available: 26.7 GB

Display:

• Material: AMOLED with Sapphire Glass


• Size: 1.5"


• Resolution: 480 × 480


• PPI: 322


• Peak Brightness: Up to 3000 nits


• Touchscreen: Yes

Battery:

• Capacity: 870 mAh (nominal value)


• Typical Usage: Up to 30 days


• Intensive Usage: Up to 15 days


• AOD Mode: Up to 10 days


• GPS Modes:
  
  
  
  
  • Accurate GPS: Up to 50 hours
  
  
  • Power-Saving GPS: Up to 90 hours
  
  
  • GPS 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
  
  
  
  

Health Monitoring:

• BioTracker™ 6.0 PPG Biometric Sensor (5PD + 2LED)


• 24-Hour Monitoring: Heart rate, Blood oxygen saturation, Stress level, Skin temperature


• Sleep Monitoring: Sleep stages (including REM), Daytime naps, Sleep schedule, Sleep breathing quality, Sleep score


• Manual Measurements: Heart rate, Blood oxygen saturation, Stress level, One-touch measurement


• Health Evaluation System: PAI™


• Breathing Exercises: Supported (including breath-hold training and tests via Zepp app)


• Health Reminders: High/low heart rate, Low blood oxygen, High stress, Altitude warnings

Sensors:

• Motion: Accelerometer, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor, Temperature sensor


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

Connectivity:

• Wi-Fi: 2.4 GHz


• Bluetooth: 5.2 BLE


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


• App: Zepp app

Sports & Fitness:

• Sports Modes: 187


• Smart Recognition: 25 strength exercises, 8 sports movements


• Advanced Running Support: Track Run Mode, Smart Trajectory Correction, Virtual Pacemaker


• Peripheral Device Connectivity: Heart rate belts, Running power meters, Cycling power meters, Speed sensors


• Training Tools: Zepp Coach™, PeakBeats™ training status


• Third-Party App Sync: Strava, Relive, Runkeeper, adidas Running, komoot, TrainingPeaks, Apple Health, Google Fit, intervals.icu, Treinus


• Navigation & Maps: Offline maps, Route planning, Real-time navigation, POI search, and more

Convenience Features:

• Smart Assistant: Zepp Flow™ (region-specific)


• Notifications: Calls, SMS, App alerts, Quick reply (Android only)


• Music Storage: Supported


• Other Features: Event reminders, To-do lists, Weather updates, Stopwatch, Timer, World clock, and more

Strap:

• Material: Silicone


• Width: 26 mm


• Wrist Size: 145–215 mm


• Clasp: Classic pin buckle

Package Contents:

• Smartwatch (with standard strap)


• Magnetic charging base (cable not included)


• User manual


• Packaging made from 100% recyclable materials