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Activities and Health
PAI
PAI is an indicator of personal physiological activity. Based on heart rate data, daily activity intensity, and multi-
dimensional and dynamic evaluation of personal physiological data, PAI is obtained through calculations by an
algorithm. PAI does not rely on individual data categories alone. Therefore, it allows you to systematically and
comprehensively understand your physical condition.
By maintaining a certain intensity of daily activities or workouts, you can obtain your PAI value. According to the
results of the HUNT Fitness Study*, maintaining a PAI above 100 helps reduce the risk of cardiovascular death
and increase life expectancy.
For more information, start the Zepp App and choose PAI cards > About PAI.
*The HUNT Fitness Study, a sub-project of the HUNT study, is led by Professor Ulrik Wisloff from Medical
School of Norwegian University of Science and Technology. It has lasted for over 35 years, and involved more
than 230,000 participants.
Activity Goal
The watch automatically records your activity data, including steps, calories, standing count, and distance. It also
records the duration that heart rate is maintained within or above the fat-burning range as an index of fat-burning
time.
1. Your daily activity goal consists of three parts, including Move ring (with target steps or calories), Fat
burning ring, and Stand ring.
2. When a target is achieved, the watch vibrates to congratulate you.
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