New sealed/ I take pics of the track number and serial number before shipping. I don’t accept returns because wrong size or changed of mind. Be sure this is your ring before buying. Will charge $50 of restocking fee for any returns other than defective.

The Oura Ring 4 Ceramic is a smart ring designed for size 7 fingers, specifically tailored for runners and joggers. It is manufactured by Oura and comes with a sleek ceramic design. The versatile Oura Ring 4 is suitable for fitness enthusiasts looking to track and improve their running performance, with features that make it an ideal tool for athletes looking to enhance their workouts. The ring does not come with a manufacturer warranty, but its durable construction and advanced technology make it a reliable choice for fitness tracking.