The Oura Ring Gen3 is a revolutionary smart ring designed to track your sleep, activity, stress, and heart rate. With Oura Membership, you gain access to in-depth analysis and personalized health insights. The ring's research-grade sensors monitor over 20 biometric indicators for precise readings, as your finger provides the most accurate pulse detection. It seamlessly integrates with over 40 apps, including Apple Health and Google Health Connect, for easy data syncing. Crafted from durable, lightweight, non-allergenic titanium, the Oura Ring is water-resistant and comfortable for all-day and all-night wear. The battery lasts up to 7 days. Keep track of daytime stress levels to build resilience, monitor your heart rate for cardiovascular insights, and utilize skin temperature tracking for illness detection and menstrual cycle insights. It's recommended to purchase the Oura Ring Gen3 Sizing Kit for the most comfortable and accurate fit, as sizing differs from standard ring sizes. Some advanced tracking features require an Oura Membership.