Oura Ring 4 review: A fantastic smart ring, but not an essential upgrade The latest Oura Ring is the best one yet, but Gen 3 owners are getting new features too https://static1.anpoimages.com/wordpress/wp-content/uploads/wm/2024/10/oura-ring-4-on-edge.jpg https://www.androidpolice.com/oura-ring-4-review/