Forerunner 225: Know Your Zone with Garmin

Know your zone with Forerunner 225 the first Garmin GPS running watch with wristbased heart rate. Now you have the option to run without a heart rate strap because this watch has a builtin sensor using Mio Heart Rate Technology that measures heart rate at the wrist. We didnt just get rid of the heart strap on the 225, we also refined how this watch sums up your effort. A colorful gauge identifies your heart rate zone and beats per minute in real time. You can set up your zones and more, allowing you to br, br,