Ultrahuman Ring Air

Please note: this is size 9. I'll also include a silicone ring cover to protect the ring from scratches which I hear can be a problem especially if you work out or handle heavy bulky items. I wore it with cover all the time so there's no scratches. I enjoyed using the Ultrahuman ring, but it became a bit redundant after I bought a Garmin sleep monitor to go along with the Garmin watch I was already using. I will miss the caffeine intake info though which was a surprising plus that helped me get better sleep.