The Sigma Sport PC22.13 Heart Rate Monitor for Men gives you the perfect way to track your heart rate at the gym or working out with friends. Heart rate values that are ECG accurate are transmitted securely through a digitally coded STS transmission system and display on the screen in large numbers and symbols that are easy to read. You can view your current heart rate and total calories burned at a glance. And with only two buttons, the Heart Rate Monitor is easy to operate. The Sigma Sport PC22.13 Heart Rate Monitor for Men is designed specifically to fit men.