The Oura ring, reviewed after over a year of testing. Oura isn't launching a fifth gen smart ring this year. Instead, it's zhuzhing up its lineup with colorful ceramic versions of its Oura Ring 4. Image: Oura Phantom vibrations give device junkies a buzz Oura Ring vs. Whoop: Which wearable fitness tracker should you go for? Nucleus Oura Ring Review: 4 Years of Insights and Experiences Do you feel your phone vibrating when it's not? You're not crazy.