Oura Ring Gen3 Heritage - Black - Size 8 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life Heritage Black 8

Oura is the creator of the revolutionary smart ring— Oura Ring Gen3 — and the Oura App, a world-class personal health platform. Together, the Oura Ring Gen3 and Oura App work hand-in-hand to provide members with accurate and personalized daily health data, insights, and guidance. Oura Ring Gen3 is sleek, accurate, and comfortable — it tracks your sleep, acti...