The Loop 2 Activity Tracker measures more than just steps. It provides a personalized daily activity goal based on your personal details and gives motivating guidance on how to reach your goal. Unlike other fitness activity trackers, Polar Loop 2 tracks your daily activity at five intensity levels, meaning more accurate fitness results for you. In addition to monitoring steps, distance, calories and sleep, Loop 2 is heart rate ready. The waterproof band also has vibrating inactivity alerts to help you boost your activity. Get smart guidance to reach your goals with the Polar Loop 2 Activity Tracker.