About this item [Ready for Adventure] You want the ultimate in outdoor performance? This Amazfit T Rex 2 GPS smartwatch is at the pinnacle of exploration and athleticism; You'll have access to dual band and multiple global navigation satellite systems(GPS/GLONASS/Beidou/Galileo/QZSS) to track in more challenging environments than GPS alone. [One Tap for Four Health Metrics] Understand your body better with all-day health monitoring features with Amazfit T Rex 2 fitness watch that tracks your 24H heart rate, sleep, 24H blood-oxygen, stress level, breath rate in a single tap of the watch, for a result in as little as 45 seconds. It also monitors sleep quality and has a Pai health assessment system to help you better understand your health status. [150+ sports modes&10 ATM Waterproof] The T-REX 2 sports watch features more than over 150 sports models, featuring Run, indoor walking, treadmill, outdoor cycling, hiking, skiing, jumping rope, gym, snowboard, golf swing, rowing, mountain climbing, biking, pool swim, triathlon, dance, water workouts, winter workouts, leisure workouts with ongoing support and updates. And it offers water-rated up to 100 meters and suitable for swimming, surfing or exploring the mysterious underwater world. [Ultra Long 24-day Battery Life] The T-REX 2 smart watch offers the longest outdoor battery life you've ever seen in a Rugged GPS watch, with 500mAh capacity, you can enjoy 50 hours of standard full GPS tracking and 24 days of normal use. T-REX 2 smartwatch is ready for your coming adventure at any time. [Strength Exercise More Effective] The Amazfit Tex 2 smart watch can automatically recognize the movements and count the reps of dozens of types of strength training exercises and help to create your own training templates. After finishing the workout, the Zepp App will visually show you the muscle group you exercised and assesses specialized data like maximum oxygen uptake (VO2Max), full recovery time, training load and training effect to help you get strength exercise more effective.