The Ekho WM-25 can be used for weight management activities, walking, jogging, running, cycling, swimming and aerobics. The EKHO model WM-25 calorie-counting heart rate monitor measures calories burned based on personal data for effective, easy weight management. This heart rate monitor features easy set-up, continuous heart rate readings, target zone settings with visual and audible alarms, calorie measurements based on personal data (age, weight, gender), stopwatch, time of day, calendar and much more.