Amazfit T-Rex 3 Pro Smart Watch 44mm. Model: A2549

📱 Key Specifications & Design

• Display: 1.5″ ultra-bright AMOLED touchscreen (≈480 × 480 px) with up to 3,000 nits peak brightness for excellent outdoor visibility.
• Body & Build: Lightweight aluminium alloy case (~39.5 g without strap), round dial design, 5 ATM water resistance (suitable for splashes and swimming).
• Size & Fit: ~48.5 × 48.5 × 12.2 mm case size with standard 22 mm strap (silicone or other compatible bands).
• Battery: 658 mAh cell with up to ~25 days of typical use, ~13 days heavy use, and ~64 hours continuous GPS tracking.
• Storage: ~4 GB onboard — enough space for podcasts, music, and downloaded offline maps.
• OS & Compatibility: Runs Zepp OS, compatible with Android (7.0+) and iOS (14.0+).

🧠 Smart & Fitness Features

• Health Tracking: 24/7 monitoring of heart rate, SpO₂ (blood-oxygen), stress, skin temperature, and sleep quality.
• Sports & Workouts: 170+ sport modes, including running, strength training, skiing, and more; automatic detection of selected activities.
• GPS & Navigation: Built-in GPS with support for offline maps (terrain and ski maps).
• Training Tools: Zepp Coach™ adaptive plans and BioCharge™ energy monitoring to assess readiness and recovery.
• Smart Features: Bluetooth calling, notifications, speech-to-text replies (on Android), Zepp Flow™ voice control, and Zepp Pay (contactless payments, dependent on region).

🧪 Sensors & Connectivity

• Sensors: PPG biometric sensor, accelerometer, gyroscope, barometer, ambient-light sensor, temperature sensor.
• Connectivity: Bluetooth (likely 5.3), integrated GPS, multiple satellite systems for accurate positioning.

📊 Typical Use Cases

• Fitness & Outdoor Activities: Excellent for runners, hikers, cyclists, and gym users with detailed tracking and offline navigation.
• Everyday Smartwatch Use: Long battery life makes it practical for daily wear, sleep tracking, and smartphone notifications.
• Music & Podcasts: Store and play content directly from the watch during workouts without carrying a phone.

📍 Summary

Amazfit Active Max (Model A2557) is a well-rounded, budget-friendly smartwatch that blends long battery life, a bright AMOLED display, rich fitness tracking, offline maps, smart features, and solid health sensors, making it a compelling choice for everyday users and fitness enthusiasts alike.