BodiMetrics Prevention circul+ Wellness Monitor Ring,Large, Sizes 9-1/2 to 12,Each,O2-88-L

BodiMetrics Prevention circul+ Wellness Monitor Ring covers most of the user’s fingertip or may have a cord attached, and cannot be worn comfortably. As a health ring, you are able to monitor oxygen saturation and heart rate throughout normal daily activities, including sleep, workouts, regular daytime activities, and working.