The simple, reliable, and smart way to monitor your heart rateThe PC 22.13 Woman and PC 22.13 Man are the perfect heart rate monitors for training in the gym and with friends. The heart rate values are transmitted securely and ECG accurately through the use of the digitally coded STS transmission system. While training, users can view their current heart rate and the total number of calories burned at a glance. With only two buttons, the heart rate monitor is exceptionally simple to operate. Specially designed to fit men and women.