The belt has a good fit and is good on the skin. Moisten the belt before exercise, the pulse signal is directly correct. Not doing this, shows the clock at the beginning of the wrong, usually much too high pulse rates. The belt can also search good clean. Caution should be exercised only when clean and dry. Cleans be too intense, the plastic inner part dissolves with the pulse measurement sensors quickly from the strap and he scrubs or breaks
