Never been used!!!!

The Oura Ring Gen 3 Size 8 Silver Horizon Style is a sleek and advanced activity tracker designed for both indoor and outdoor use. With a display resolution of 240 x 240, it provides accurate measurements for heart rate, calories, and distance. Made of durable metal, this ring is powered by batteries with a battery life of up to 7 days. It is compatible with Android operating systems and has a 1-year manufacturer warranty. The ring is designed for unisex adults who engage in activities like running and jogging, making it a reliable tool for tracking fitness progress in both decimal and imperial systems.