Oura is a smart ring designed to track various health metrics, including sleep quality, heart rate, and activity levels. It uses advanced sensors to gather data and provides insights through a mobile app, helping users understand their overall well-being and make informed lifestyle choices. The ring is lightweight and stylish, making it easy to wear throughout the day and night. Oura's technology is based on research in sleep science and biometrics, aiming to promote better health and wellness by encouraging users to prioritize rest and recovery.