Oura Ring Gen3 – Size 13, Heritage – Silver (Refurbished)

The Oura Ring Gen3 and the Oura Membership work hand-in-hand to help you feel your best. Monitor your sleep, activity levels, temperature, stress, heart rate, and more with the most trusted Smart Ring. Whether you’re focusing on your fitness or want to improve your sleep, Oura helps you take control of your health — in style.