Bion HRM allow you to select from 5 or 6 different activity modes. Using the Activity Mode you select, along with your personal physical data, your Bion HRM will produce precise reading on your Heart Rate and Calories Burned. The system monitors your body every second during your exercise session. Bion HRM interacts with your body and mind to achieve your fitness goals efficiently. Bion HRM is the best tool you can have for your physical training, improving exercise motivation and creating a healthy lifestyle.