<ul><li>The Oura Ring 3, a smart ring that monitors health metrics, is on sale at Best Buy with a $50 discount.</li><li>The Oura Ring 3 remains a worthwhile purchase despite the release of the Oura Ring 4, as it offers similar fitness tracking features at a lower price.</li><li>The ring can measure heart rate, blood oxygen levels, skin temperature, and movement, and syncs with the Oura app on smartphones for comprehensive health tracking.</li><li>The discounted price of $249 makes it a great gift option for the holidays or for personal use, but the duration of the offer is uncertain.</li></ul>

The Oura Ring 4 is out, so the Oura Ring 3 is on sale

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