Your ring measures heart rate, heart rate variability, sleep, respiration, temperature, blood oxygen, steps and calories. It can tell you why you slept the way you did, and that your resting heart rate’s higher after a few glasses of wine. It will let you know if your body temperature goes up (so find your partner if you’re trying to conceive!)… More here.
Another product coming soon and I do believe that products like this will catch on one day. The design here is intriguing, it really is.