For a greater part of the summer, I wore six smart rings to definitively answer which is the one to rule them all. I gave myself six ring tans for the blog, so please enjoy. https://www.theverge.com/2024/10/1/24259284/oura-ring-samsung-galaxy-ring-ultrahuman-ring-air-ringconn-circular-ring-evie-ring-review-wearables