Amazon is hosting its annual Prime Day event, but for 2025, it is 4 days long (rather than 2). We're rounding up all of the best deals of the event so far and updating this article live with the cream of the crop.

Specifically, this is the first time the Oura Ring 4 has ever been discounted, so it's important that you jump on this great discount before Sauron gets it Prime Day ends later to

Ring is an Amazon-owned brand, so it’s no surprise that their products are featured with some of the deepest markdowns of Prime Day. Whether you need the camera stand-alone or as part of a bundle, you can expect to save up to half off the regular price.

The Oura Ring 4 is our choice as the best smart ring, and its Brushed Silver variant is on sale for the first time during Amazon's Prime Day at 15% off.