Technical Specifications of Amazfit T-Rex 3 Pro Smartwatch

Design & Build

• Models & Colors:

  • 48mm: Tactical Black, Black Gold

  • 44mm: Arctic Gold, Black Gold

• Dimensions (without strap):

  • 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: Fiber-reinforced polymer case with Grade 5 Titanium bezel and buttons.

• Durability: 10 ATM Water Resistance, MIL-STD-810H certified.

• Buttons: 4 physical buttons.

Display

• Type: AMOLED

• Size:

  • 48mm: 1.5-inch

  • 44mm: 1.32-inch

• Peak Brightness: Up to 3,000 nits

• Resolution:

  • 48mm: 480 x 480

  • 44mm: 466 x 466

• PPI:

  • 48mm: 322

  • 44mm: 353

• Cover: Sapphire glass

Battery & Charging

• Battery Capacity:

  • 48mm: 700 mAh

  • 44mm: 500 mAh

• Typical Use:

  • 48mm: Up to 25 days

  • 44mm: Up to 17 days

• Charging: Magnetic charging head (USB-C cable not included).

Sensors

• Health: BioTracker™ 6.0 PPG (Heart Rate, Blood-Oxygen, Stress)

• Movement: Accelerometer, Gyroscope, Geomagnetic Sensor, Barometric Altimeter, Ambient Light Sensor, Temperature Sensor.

• Positioning: Dual-Band Circularly-Polarized GPS Antenna supporting 6 satellite systems.

Connectivity

• Bluetooth: 5.2 & BLE

• Wi-Fi: 2.4GHz

Strap

• Material: Silicone

• Width:

  • 48mm: 22mm

  • 44mm: 20mm

Sports & Fitness

• Sports Modes: 180+

• Smart Recognition: Automatically recognizes 25 strength training movements and 8 sports activities.

• Advanced Features: Zepp Coach™, PeakBeats™ Workout Status, PAI Health Assessment.

• 3rd Party App Sync: Strava, Apple Health, Google Fit, etc.

Health Monitoring

• 24/7 Monitoring: Heart rate, Blood-oxygen saturation, Stress level, Sleep quality (with stages), Skin temperature.

• Health Alerts: Abnormal heart rate, low blood-oxygen, high stress.

Smart Features

• Bluetooth Calling: Make and receive calls directly from the watch.

• Notifications: Receive calls, SMS, and app alerts.

• AI Assistant: Zepp Flow™ (in select regions).

• Music Control: Control music playing on your phone.

• Offline Maps: Support for offline maps with turn-by-turn navigation.

• Flashlight: Integrated LED flashlight (up to 300 lux in Boost Mode).