Amazfit T-Rex 3 Pro

Amazfit T-Rex 3 Pro

Brand: Zepp Health
Category: Wearables
  • Screen 48mm (1.5 inch AMOLED); 44mm (1.32 inch AMOLED)
  • Battery life up to 25 days in normal mode
  • Water resistance 10 ATM, Frediving up to 147 feet certified
  • Sensors BioTracker PPG 6.0 biometric sensor (5PD + 2LED),, 3-axis acceleration sensor, Gyroscope, Geomagnetic sensor, Air pressure sensor, Temperature sensor, Ambient light
  • Date September 2025

Specs

General

Physical size 48mm: 48 x 48 x 14mm; 44mm: 44.8 x 44.8 x 13.2mm
Material Case: Fiber-reinforced polymer Bezel & Buttons: Grade 5 Titanium
Charging Magnetic, 2pin pogo pin charging
Battery 48mm: 700 mAh (rated value); 44mm: 500 mAh (rated value)
Battery life Typical Use Battery Life: 48mm: Up to 25 days; 44mm: Up to 17 days, Accurate GPS Mode: 48mm: Up to 38 hours; 44mm: Up to 26 hours
Water resistance 10 ATM, Frediving up to 147 feet certified
Weight 48mm: 52g; 44mm: 46.8g
Display type AMOLED, anti-fingerprint coating, Sapphire Glass, 3000 nits
Display size 48mm (1.5 inch AMOLED); 44mm (1.32 inch AMOLED)
Display resolution 48mm: 480 x 480; 44mm: 466 x 466

Sensors

Accelerometer Yes
Barometric altimeter Yes
Compass Yes
Galvanic skin response No
Geomagnetic Yes
Gyroscope Yes
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature No
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Ambient light sensor Yes
Vibration motor Yes
Microphone Yes
Speakers Yes

Health & activity tracking

Steps Yes
Distance Yes
Calories burned Yes
Sports tracking 180+ sports modes
Floors Yes
Sleep Yes
Heart rate Yes
Stress Yes
Blood oxygen Yes
Respiration rate No
UV exposure No
Skin temperature No
Hydration level No
HRV No
ECG No
Calorie intake No
Blood pressure No
Glucose No
Other Built-in two colour LED flashlight with Boost mode, Points of interest search, turn-by-turn navigation, create a round-trip route, Auto rerouting & route planning, ski mapping

Daily smart features

Smartphone notifications Yes
Smartphone music control Yes
On-board music storage Yes
Connected pay Yes
Cellular No
Connectivity WiFi 2.4GHz, Bluetooth 5.2, BLE
Operating system ZeppOS 5.0

Links

Affiliate link Amazon rel="nofollow" | Amazfit

Disclaimer Note

These technical specs are correct to the best of our knowledge at the time of publishing.

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