Amazfit T-Rex Ultra 2

Amazfit T-Rex Ultra 2 Smartwatch ｜ AI Vitamin

: Zepp Health Corporation
: Gorinchem, Netherlands

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AI summary

Amazfit T-Rex Ultra 2 pairs a titanium and sapphire outdoor smartwatch with Zepp Coach and Zepp Flow assistance, dual-band GPS and offline navigation, a built-in flashlight, 187 sports modes and up to 30 days of battery life, with health and recovery monitoring included.

Reference pricing

Published prices for United States. AI Vitamin does not set prices or sell devices. Check the source for current prices, taxes and terms.

Hardware options

Option	Listed price
T-Rex Ultra 2 — Black Magma	$549.99Source · Observed Oct 5, 2026

Specifications

Key hardware details first, followed by the complete product specification.

Key specifications

Dimensions: 51 × 51 × 14.3 mm without the heart-rate sensor base.
Weight: 89.2 g including the strap.
Materials: Fiber-reinforced polymer case; Grade 5 titanium bezel, buttons and back panel.
Display type: 1.5-inch AMOLED; sapphire glass touchscreen.

Design & carry

Officially listed colours: Black Magma.
Ingress protection: 10 ATM water resistance; diving modes are listed for depths up to 45 m.
Buttons and vibration: 4 physical buttons; linear vibration motor.
Flashlight: Integrated dual-color white and green flashlight.

Display

Resolution: 480 × 480 pixels; 322 PPI.
Peak brightness: Up to 3,000 nits, per manufacturer conditions.

Power & charging

Battery capacity: 870 mAh rated capacity.
Battery life: Up to 30 days typical use, 15 days heavy use, or 10 days with always-on display.
GPS battery modes: Up to 50 hours accurate GPS, 90 hours power-saving GPS and 177 hours maximum GPS battery mode.
Trail-running battery: Up to 44 hours in normal mode or 30 hours in heavy mode.
Low-temperature battery: Up to 40 hours with GPS on or 32 days with GPS off in low-temperature mode.
Charging method: Magnetic charging head; the supplied charging head does not include a cable.

Processing & storage

Local storage: 64 GB total; 26.7 GB available to the user, according to the technical specifications.

Connection & companion

Connectivity: Wi-Fi 2.4 GHz; Bluetooth 5.2 and BLE.
Compatible platforms: Android 7.0+ or iOS 15.0+ with the Zepp app.
GPS capability: Dual-band positioning, 6 satellite systems and circularly polarized GPS antenna.
Workout accessories: Compatible heart-rate straps, running and cycling power meters, Stryd foot pods, cycling speed/cadence sensors and FTMS rowing machines.
Fitness app synchronization: Strava, Relive, Runkeeper, adidas Running, komoot, TrainingPeaks, Apple Health, Google Fit, intervals.icu and Treinus.

Sensors & health

Health sensors: BioTracker 6.0 PPG: 5 photodiodes and 2 LEDs.
Movement sensors: Accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light and temperature sensors.
Health metrics: Heart rate, SpO2, stress, skin temperature, sleep stages, sleep HRV, nap detection and breathing-quality tracking.
Alerts: Abnormal heart-rate, blood-oxygen and stress alerts; altitude and environmental alerts depend on settings.
Recovery and wellbeing: Readiness, HybridCharge, PAI health assessment, breathing exercises and breath-hold test.

Sports & coaching

Sports modes: 187 sports modes in the technical table; marketing describes 180+.
Automatic recognition: 25 strength-training movements and 8 sports movements.
AI coaching: Zepp Coach adaptive training guidance; PeakBeats workout status.
Training tools: Training templates through Zepp; interval training on the watch; Track Run, trajectory correction and virtual pacer.
HYROX features: HYROX simulation training and race-strategy features added in the September 2026 firmware update.

Navigation & outdoors

Maps: Preloaded base maps plus downloadable offline contour and ski maps; 40,000+ golf-course maps are advertised.
Route navigation: On-watch route planning and rerouting, turn-by-turn directions, route-deviation alerts, backtracking and points of interest.
Stored routes: Up to 100 route tracks with the June 2026 firmware update.
Outdoor utilities: Compass, altimeter, barometer, storm alerts, sun/moon information and tide data.
Cold-weather operation: Manufacturer advertises operation down to −30°C; actual runtime depends on conditions.
Diving: Recreational scuba and freediving modes; advertised maximum diving depth 45 m.

AI & lifestyle

Voice assistant: Zepp Flow AI voice assistance in supported languages and regions; network availability is required for online assistant services.
Calls and audio: Built-in microphone and speaker; Bluetooth phone calls, music storage/control, podcasts and voice memos.
Messaging: Android voice replies and quick call replies; platform, app and region conditions apply.
Other utilities: Phone finder, notifications, weather, alarms, thermometer, passcode, do-not-disturb, morning updates and iOS camera control.

Strap

Strap: 26 mm quick-release silicone strap; pin buckle; wrist range 145–215 mm.

Capabilities & dependencies

Phone dependency: Zepp phone app is used for setup, synchronization, map downloads and connected services.
Subscription requirement: Official product page says health and recovery monitoring have no subscription fees.

What is included

In the box: Watch with standard strap, magnetic charging head without cable, and instruction manual.
Packaging: Manufacturer lists packaging made with 100% recyclable materials.

Support & ownership

Security-update status: Official product page lists firmware OTA releases through September 8, 2026; no guaranteed end date is stated.
Warranty: 1-year warranty advertised in the official product-page service information.

FAQ

Does the T-Rex Ultra 2 smartwatch work with Apple iPhone and Android mobile phones or devices?

Compatible with iOS and Android phones; the technical table specifies iOS 15+ or Android 7+.

Can I make or receive calls with the Amazfit T-Rex Ultra 2 smartwatch?

Yes, through a Bluetooth connection to a phone.

Does it support third-party music apps like Spotify and Pandora?

Spotify and Pandora cannot be installed on the watch; phone music playback can be controlled.

Does the Zepp App sync with sports and fitness apps?

Zepp synchronizes with Strava, Relive, Runkeeper, adidas Running, komoot, TrainingPeaks, Apple Health, Google Fit, intervals.icu and Treinus. Region and phone-platform limits apply.

How long does the Amazfit T-Rex Ultra 2 smartwatch battery last?

Up to 30 days under typical-use conditions.

Is the Amazfit T-Rex Ultra 2 smartwatch waterproof? If so, how deep can it go?

Rated 10 ATM, equivalent to 100 m of static-water pressure for up to 10 minutes in the stated test. This differs from the diving limit.

Can I use the Amazfit T-Rex Ultra 2 for diving?

Yes; the manufacturer lists freediving and recreational scuba to 45 m.

Why doesn't the Amazfit T-Rex Ultra 2 smartwatch package include a USB-C cable?

The charging head is supplied without a USB-C cable to reduce waste; contact Amazfit support if a cable is needed.

My Amazfit smartwatch's Bluetooth keeps disconnecting from my mobile device, how do I fix this?

Update Zepp and the phone OS, restart and reconnect the watch. If unresolved, consult support before resetting the watch.