Want to know how your body behaves at different hours of the day? You can track your overall health without sacrificing style or comfort with Motiv Fitness Tracking Ring which encased in titanium is so subtle that no one knows you’re wearing a fitness tracker and your health under constant observation. It comes with optical heart rate sensors, fitness tracker, sleep tracker and is about the size of a wedding ring. What is more it has 3-5 days battery life. How cool is that!