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The Oura Ring 4 is a titanium smart ring that tracks sleep, heart rate, blood oxygen and readiness from a finger, with no screen and no subscription-free option. Its standout is comfort: the inner sensor bumps of earlier Oura rings are gone, so it sits flatter and works on more fingers. Reviewers rate sleep and recovery insight highly and call it the best sleep tracker they have worn, but many note the app's deeper analysis needs a paid membership. Against the Ultrahuman Ring Air and Samsung Galaxy Ring it is the most polished and most established, though it does less workout tracking than a watch.
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Availability unknownSold by sefran-86 (100% positive, 39 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by sed_4447 (0% positive, 0 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $249.00 on Nov 9 at Walmart. Tracked across 2 stores since Nov 9.
Owners praise the Oura Ring 4 for comfort and for sleep and recovery data that feels accurate and useful. The most common complaints are the membership fee and the limited workout tracking.
