🌍 Conquer the elements with style! 18-day battery life keeps you powered through your adventures. Quad-GNSS for reliable tracking in any environment. Military-grade toughness for the adventurer in you. Survives extreme temperatures from -40°C to 70°C. Monitor heart rate, sleep, stress, SpO2, and temperature. 10 ATM Waterproof 18-Day Battery Life 100+ Sports Modes The Amazfit T-Rex Pro Smartwatch is a rugged, military-grade fitness companion designed for the active lifestyle. With over 100 sports modes, advanced health monitoring features, and a battery life of up to 18 days, it’s built to withstand extreme conditions while keeping you connected and informed.