Oura Ring 4 Brushed sliver - Size 8

SIZE BEFORE YOU BUY - Size yourself with the Oura Ring 4 Sizing Kit before you purchasing Oura Ring 4.
• ACCURACY WITH SMART SENSING - Oura Ring 4 is powered by Smart Sensing, which adapts to your unique finger and activity — delivering accurate, continuous data, day and night.
• HOLISTIC HEALTH TRACKING — Oura provides over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics.
• DESIGNED FOR 24/7 WEAR—Oura Ring 4‘s updated design is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.
• LONG LASTING BATTERY - With up to 8 days* of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present.
• FSA/ HSA ELIGIBLE - We can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping.
• MEMBERSHIP IMPROVES WITH YOU - First month of membership is on us with your purchase, $5.99/mo afterwards (or $69.99 annually). Enjoy access to continuous feature and app updates within the award-winning Oura App.
• 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.