Amazfit T-Rex Ultra 2
Quick details
Released
February 2026
Dimensions
51 x 51 x 14.3 mm
Operating system
Zepp OS 5
Display 1.5 inches AMOLED
Battery life Up to 30 days typical; 15 days heavy use; 10 days AOD; 50 hours accurate GPS; 90 hours power-saving GPS; 177 hours maximum GPS
Water resistance 10 ATM; 45 m freediving; recreational scuba diving
GPS Yes
Sensors Accelerometer, Gyroscope, Barometric altimeter, Compass, Geomagnetic sensor, Ambient light sensor, Optical heart rate, SpO2, Temperature, GPS, Microphone, Speaker
Technical specifications
General
Release date 2026-02
Product type Smartwatch
Physical size 51 x 51 x 14.3 mm
Weight 89.2 g with strap
Material Fiber-reinforced polymer case; Grade 5 titanium bezel, buttons and back panel
Water resistance 10 ATM; 45 m freediving; recreational scuba diving
Display type AMOLED
Display size 1.5 inches
Display resolution 480 x 480 pixels (322 ppi)
Display brightness Up to 3,000 nits
Display protection Sapphire glass
Battery Built-in rechargeable battery; 870 mAh
Battery life Up to 30 days typical; 15 days heavy use; 10 days AOD; 50 hours accurate GPS; 90 hours power-saving GPS; 177 hours maximum GPS
Charging Magnetic charging head
Sensors
GNSS type Built-in dual-band GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature Yes
Galvanic skin response No
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking 187 sports modes
Sleep Yes
Heart rate Yes
HRV Yes
Stress Yes
Blood oxygen Yes
Respiration rate No
Skin temperature Yes
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android and iOS
Operating system at launch Zepp OS 5
Storage 64 GB total; 26.7 GB available
Bluetooth Yes (5.2)
Wi-Fi Yes (802.11 b/g/n, 2.4 GHz)
NFC / connected pay Yes
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage Yes
Voice assistant Zepp Flow
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
