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The Oura Ring 4 is a titanium smart ring that tracks sleep, heart rate, blood oxygen and daytime stress, and it works with both iOS and Android. Its main draw is comfort: the inner sensors sit flatter than on the Ring 3, so it wears more like a plain band, and Oura rates battery life at up to about eight days. Reviewers consistently praise its sleep and recovery insights, though many note the subscription needed for full analysis and the ring's weaker value as a workout tracker. It suits people who want passive health tracking without a screen on their wrist.
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Availability unknownSold by bestbuywholesale1 (99.7% positive, 28,500 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 skalumba (100% positive, 216 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 Target. Tracked across 3 stores since Nov 9.
Owners rate the Ring 4 highly for comfort and sleep insight, and many say they forget they are wearing it. The recurring complaints are the subscription and less reliable workout tracking.
