24-hour heart rate monitoring is <br>always <br>equipped with high-precision sensors, fast, accurate, undisturbed, and additional infrared function to make detection more accurate, monitor heart rate throughout the day, and protect health
24-hour heart rate monitoring<br>Always sweet<br>Equipped with high-precision sensors, fast, accurate, non-disturbing, additional infrared functions, so that detection more accurate, all-day monitoring of heart rate, health protection