This heart rate monitor gives me satisfaction that since I bought it. Very easy to use and complete, the program included entrainemet and the ability to target heart rate zones helped me boost my workouts with my elliptical. The form of testing can know exactly your general physical condition and the program is created from this base. The cardio is much more accurate than the cardiovascular system shows my vélo.La allows a weekly summary of your performance. With the included USB device, simply present the device in front of the watch so that the data register on the polar site to track your gains. The watch is more esthetic and I recommend it.