About this item

• SIZE BEFORE YOU BUY – Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit and receive a $10 Amazon credit towards the future purchase of an Oura Ring 4.
• OURA MEMBERSHIP – The first month of membership is free with your purchase, and $5.99/mo afterward. Offer available to new members only. Or opt for the annual prepaid option for $69.99. Membership is tied to your account via the Oura App, not your physical ring.
• ACCURACY—SMART SENSING—Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you and delivers accurate, continuous data day and night.
• 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. You’re free to forget it’s on from a workout to a night out. Until you start getting compliments.
• DESIGNED FOR 24/7 WEAR – The updated design of the Oura Ring 4 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.
• 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, and more.
• HSA/FSA ELIGIBLE – We can accept HSA or FSA funds for the following: Oura Ring, additional charges, and shipping.
• LOOKING FOR THE BEST HEALTH TRACKER? – Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring allows you to discreetly track your sleep, activity, recovery, and stress — in style.