The MIO Breeze is the perfect introduction to heart rate monitoring! MIOs new styling in an affordable easy-to-use tool! A healthy heart is the key to a healthier lifestyle. By monitoring your heart rate during exercise or at any time during the day, you will know how much to increase or decrease your activity level or when to take a moment and simply relax. This heart rate watch has some great new bells and whistles our favorite is the simple user interface (this watch couldnt be easier to set up) and the user accessible battery hatch no tools required. With MIO Breeze, measuring your heart rate is as easy as applying two fingers to the watch for a matter of seconds. So forget the chest strap. Wear your MIO Breeze wherever you go and you will always know your heart rate.