The Huami-developed BioTracker™ 2 biological tracking optical sensor in the watch can perform 24-hour heart rate monitoring. It covers heart rate zones, keeping you aware of the exercise effect, and provides warnings when your resting heart rate is abnormally elevated.
Blood-oxygen saturation is one of the most important factors of human health, and so the watch includes the blood-oxygen saturation measurement function. When engaged in long-term mental work, or physical activity such as participating in marathons or high-intensity outdoor sports, measure your blood-oxygen level if you feel uncomfortable to keep your health firmly in your hands.
PAI™ (Personal Activity Intelligence) is a health assessment system that uses algorithms to convert complex data such as heart rate, activity duration and other health data into a single, intuitive score, for users to easily understand their physical state. This feature covers most forms of exercise, and also personalizes the health assessment system for each user based on their health data.
A good night’s sleep is a top priority in the modern world. Therefore, the watch offers in-depth sleep monitoring, which can more accurately determine the sleep stage (the light sleep, deep sleep, REM8 periods), monitors the sleep breathing condition, and provides quality analysis and suggestions for improvement based on a night of sleep. The watch also recognizes daytime naps over 20 minutes in order to record more complete sleep information.
Check your personal stress level - relaxed, normal, medium or high - anytime you feel pressured throughout the day, so you know when to relax and reduce it.
With water-resistance up to 50 meters, the watch is on par with traditional high-end watches, allowing you to wear it worry-free for daily use or while you swim.
Activate one of the sports modes that you need and, after the exercise is over, the watch will produce a corresponding analytical report which is also viewable in the mobile app, to help you continuously improve your exercise plan. Intelligent recognition of sports modes also eliminates the need to manually select the sports modes, so the watch is always ready for action.
* Smart recognition includes 6 sports modes: Outdoor Running, Treadmill, Walking, Outdoor Cycling, Pool Swimming, and Elliptical.
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