Price facts
- Last seen at $199.99 at OPOVE on Nov 12.
The O Ring is a lightweight titanium smart ring that tracks sleep, heart rate, stress, activity and cycle patterns, then turns those signals into simple insights. Its main draw is comfort: titanium keeps it light enough to wear all day and overnight, which matters because sleep tracking only works if you keep the ring on. It suits people who want passive health tracking without a screen on their wrist. Against rivals like the Oura Ring and Ultrahuman Ring Air, it competes on the same sensor set and app-style insights rather than on extra features.
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Buyers rate it highly, with a 5 out of 5 average across 29 ratings. The praise centers on comfort and the usefulness of the sleep and health insights.
The O Ring is a lightweight titanium smart ring designed to be worn all day and all night.
It tracks sleep, heart rate, stress, activity, and cycle patterns. It turns those body signals into simple insights.
