15 + Smart Ring Covid Oura HD Resolutions. The ring features scientifically validated sleep tracking and personalized guidance. An NBA plan to restart its season at the end of July includes giving players optional access to Oura smart rings.
21 + Smart Ring Covid Oura High Quality Images
The smart ring is designed to help track sleep, it does so by also measuring body temperature, respiratory rate, heart rate variability, and resting heart rate.

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