The NEW Sealed Oura Ring Gen 4 in Ceramic Petal PINK Size 10 is an activity tracker designed by the brand Oura. This ring is designed to track various activities and movements, providing users with insights into their daily routines and fitness levels. With a sleek design and a comfortable fit, this ring is compatible with Oura products and is a stylish and functional addition to any tech-savvy individual's collection. Made in Estonia, this ring offers high-quality performance and durability.