The Polar FT4 is ideal for active types interested in monitoring their fitness level based on heart rate. The watch and heart rate monitor shows when your fitness is improving, while also displaying calories burned during each workout. Polar's proprietary OwnCal feature is one of the most accurate

The Polar FT4 is ideal for active types interested in monitoring their fitness level based on heart rate. The watch and heart rate monitor shows when your fitness is improving, while also displaying calories burned during each workout. Polar's proprietary OwnCal feature is one of the most accurate calorie counters on the market. It calculates the number of calories expended during a training session based on your weight, height, age, gender, individual maximum heart rate (HRmax), and how hard you’re training.

• Watch and heart rate monitor ideal for active types interested in monitoring their fitness level based on heart rate
• Device shows when your fitness is improving, while also displaying calories burned during each workout
• OwnCal calculates number of calories expended during a training session based on weight, height, age, gender, and maximum heart rate
• Comes with Polar FT4 training computer, Polar WearLink transmitter, and FT4 Getting Started Guide