The Amazfit T-Rex 3 is a rugged outdoor GPS smartwatch designed for adventurers, fitness lovers and anyone who needs reliable performance in tough environments. It combines durable construction, long battery life, advanced health tracking, rich sports modes, and smart features in one robust wearable.

Design & Build

• Rugged Construction: Built to withstand extreme conditions with military-grade durability and reinforced body materials (stainless steel bezel with polymer frame).

• Water Resistance: 10 ATM / 100 m — suitable for swimming, water sports, and even freediving (up to ~45 m).

• Buttons & Controls: 4 physical buttons plus touchscreen for easy navigation in all conditions.

• Comfort: Adjustable silicone strap and a robust build for active lifestyles.

Display

• Screen: 1.5″ AMOLED display with 480×480 resolution, 322 PPI — bright, colorful, and easy to read even in sunlight.

• Protection: Corning Gorilla Glass for scratch resistance and durability.

• Always-On Display: Yes (optional) for convenient glanceable data.

Health & Fitness Tracking

• Heart Rate: 24/7 heart-rate monitoring.

• Blood-Oxygen (SpO₂) Monitoring: Tracks oxygen saturation levels.

• Sleep & Stress Monitoring: Detailed sleep analysis and stress tracking.

• PAI Health Score: Personal Activity Intelligence scoring helps evaluate overall fitness.

Sports & Activity Features

• 170 + Sports Modes: Includes running, cycling, hiking, swimming, strength training, ultras, water sports like surfing, skiing and more.

• Auto Exercise Recognition: Some activities can be auto-detected by the watch.

• PeakBeats™ Analytics & Zepp Coach: AI-powered coaching and insights to improve performance.

GPS & Navigation

• Dual-Band GPS: Faster and more accurate positioning with support from six satellite systems.

• Offline Maps & Routing: Turn-by-turn navigation and free global maps (no phone needed in the field).

• Outdoor Tools: Altimeter, compass, barometer and weather alerts help in extreme conditions.

Battery & Power

• Battery Capacity: 700 mAh with magnetic charging.

• Battery Life Examples:
  • Up to ~27 days typical use
  • Up to ~13 days heavy use
  • Up to ~40 days in battery saver mode
  • Up to ~42 hrs accurate GPS
  • Up to ~72 hrs power-saving GPS
  • Up to ~180 hrs max battery GPS mode (some settings disabled)

Smart Features

• Notifications: Call, SMS and app alerts from your phone.

• Music & Camera Control: Control phone media and camera remotely.

• Smart Assistant: Voice control via Zepp Flow AI (including offline voice commands; speech-to-text supported for messages on compatible apps).

• Connectivity: Bluetooth 5.2 & Wi-Fi (2.4 GHz), works with Android and iOS via the Zepp app.

Why It Stands Out

✅ Rugged durability — built for outdoors and water adventures.
✅ Dual-band GPS + offline maps — excellent for hiking, trekking and exploring.
✅ Long battery life — lasts for weeks in typical use.
✅ Advanced sports & AI coaching features — great for training and performance insights.