I found a subscription-free smart ring that rivals Oura - and it did some things better

The Ultrahuman Ring Air is a comprehensive sleep and activity tracker with features that rival Oura.

Jun 16, 2025 0

I found a subscription-free smart ring that rivals Oura - and it did some things better
The Ultrahuman Ring Air is a comprehensive sleep and activity tracker with features that rival Oura.
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