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5 features I love on the Oura Ring 4
This smart ring packs in plenty
Oura didn't kick off the smart ring category, but it's been consistently good at being among the best in the business. With each successive ring, the company finds ways to cram more into such a small device. It doesn't come cheap, especially when you add the subscription fee to the upfront cost, yet there's peace of mind that you get robust tracking whenever you wear one.
