Xiaomi Amazfit T-Rex 2 Rugged Fitness Smart WatchXiaomi Amazfit T-Rex 2 Rugged Fitness Smart Watch comes with a 1.3 inch HD AMOLED always-on color screen display; The Amazfit T-Rex Pro comes with a 1;3" HD AMOLED always-on color screen display; The outer bezel undergoes a metal-spraying process, which enhances the rich textures of the light 60g watch body with a skin-friendly silicone strap. The 24-hour automated heart rate detection feature in this smartwatch needs the user to set and switch on the "heart health detection" feature in the app, with a minimum value of 1 minute. However, this feature cannot be used for medical reasons or as a foundation for medical diagnosis. There are over 100 sports modes on this smartwatch. When the predefined alarm value is reached for unusually elevated heart rate alerts and there has been no evident activity in the previous 10 minutes, the watch will vibrate. The detection findings are only offered as a guide. If you are feeling sick, please get expert medical advice. The measurement of heart rate cannot be done while swimming, and the accuracy of the measurement may be influenced by external circumstances. The PAI health assessment system here supports most training types, independent of time or place, and provides a customized health evaluation for each user to provide a personalized user experience. The T-Rex Pro from Amazfit is your own sleep helper. The watch can distinguish between different sleep stages, such as light, medium, and deep sleep. The watch can recognize different sleep states - such as the light, deep, and REM sleep stages, as well as daytime naps, and monitors any potential breathing problems during your sleep. Xiaomi Amazfit T-Rex 2 Rugged Fitness Smart Watch offers No Warranty...