The Oura Ring 4 was introduced in 2023 as the latest generation of Oura's smart ring health tracking devices. It builds upon previous generations with improved sensors and battery life while maintaining its minimalist design aesthetic. The Oura Ring is valued for its discreet form factor that provides comprehensive health metrics without the bulk of traditional wearables. It appeals to health-conscious consumers and tech enthusiasts who prefer subtle tracking devices over conventional smartwatches. New in the original box