I tested a subscription-free smart ring for a month - here's how it compares to Oura

The Ultrahuman Ring Air is a well-rounded sleep and activity tracker, offering features that go head-to-head with the Oura Ring.

Jul 14, 2025 1

I tested a subscription-free smart ring for a month - here's how it compares to Oura
The Ultrahuman Ring Air is a well-rounded sleep and activity tracker, offering features that go head-to-head with the Oura Ring.
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