OURA Smart Ring size 10

Size 10 Heritage Gen3 Color: black or matte black (can’t tell) Slight fading/discoloration as pictured but fully functional and reset to factory settings! SIZE BEFORE YOU BUY – Size with Gen3 Sizing Kit prior to purchasing Oura Ring Gen3 (different sizing from Oura Ring 4). For additional details, see “From the brand” section below. THE REVOLUTIONARY SMART RING - Track your sleep, activity, stress, heart rate and more with the Oura Membership. First month included for new members, then is 5.99/mo. Register for Oura Membership on the Oura App. Oura Membership is not sold on Amazon MORE ACCURATE BY DESIGN - Your finger provides the most accurate pulse reading, making your health data and insights more personal than ever. Oura Ring’s research grade sensors monitor over 20 biometrics with precision SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more