Amazfit T-Rex Ultra 2 129.5 cm (51 inch) AMOLED 51 mm Digital 480 x 480 pixels Touchscreen Titanium Wi-Fi GPS (satellite)

The Amazfit T-Rex Ultra 2 is a rugged digital smartwatch with a 129.5 cm (51") AMOLED touchscreen delivering 480 x 480 pixel resolution. Designed for outdoor activity and everyday wear, it runs Zepp OS and combines a high-brightness display with environmental durability, GPS satellite positioning and onboard sensors to support tracking and health monitoring. The watch offers wireless connectivity including Wi‑Fi and NFC, a built-in microphone and speaker, and a long‑capacity 870 mAh battery in a durable titanium-accented housing.

Advantages

The AMOLED display provides clear, high‑contrast visuals and touchscreen responsiveness for quick interaction during activities. Integrated GPS satellite positioning and multiple motion sensors enable accurate route and activity tracking, while the 10 ATM (waterproof up to 45 m) rating supports use in wet conditions. Onboard Wi‑Fi and NFC expand connectivity options for data sync and contactless features. The 870 mAh battery and power-efficient Zepp OS extend operating time between charges.

Suitable for

• Outdoor sports and trail running with GPS route recording
• Swimming and water sports within the rated depth
• Everyday fitness tracking, heart rate monitoring and sleep tracking
• Hands‑free calls and voice interactions using the built‑in mic and speaker
• Users seeking a durable smartwatch with long battery life

Key specifications

• Display: 129.5 cm (51") AMOLED touchscreen, 480 x 480 pixels
• Peak brightness: 3000 cd/m²
• Water resistance: up to 45 m (10 ATM)
• Sensors: heart rate monitor, accelerometer, gyroscope
• Positioning: GPS (satellite)
• Connectivity: Wi‑Fi, NFC
• Audio: built‑in microphone and speaker
• Battery: built‑in 870 mAh
• Band material and color: silicone, available in black and brown
• Weight: 89.2 g
• Operating system: Zepp OS

How to use

Charge the watch fully before first use using the supplied charging accessory. Power on the device and follow on‑screen setup to pair with the Zepp app on your smartphone for initial configuration, account linking and firmware updates. Use the touchscreen to navigate menus, start and stop sport modes, and access notifications. Enable GPS when performing outdoor activities that require route or location recording. Use the built‑in microphone and speaker for calls where supported by the paired phone.

Recommendations

For accurate activity and GPS tracking, ensure the watch has a clear view of the sky during outdoor sessions and keep firmware up to date via the Zepp app. Rinse the band and case after exposure to salt water or chlorine, and avoid pressing buttons under deep water despite the 10 ATM rating. Charge regularly to maintain battery health and follow the manufacturer's instructions for cleaning and storage.