Oura Ring 4 – Silver – Size 9 – Smart Ring – Size First with Oura Ring 4 Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – Up to 8 Days of Battery Life
Available at Amazon
$349.00
Price: $9.99 - $349.00
(as of May 31, 2025 19:04:33 UTC – Details)
Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 30 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health. Oura Ring 4 quietly and comfortably monitors your health and with up to 8 days of battery life — you can forget it’s even on. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you. Oura Ring 4 is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring 4, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring 4 Sizing Kit before you buy — Oura Ring 4 is not US standard sizing, and finding the right size will result in the best experience possible. With an Oura Ring 4 Sizing Kit purchase, a credit will automatically be applied to your Oura Ring 4 at checkout.
SIZE BEFORE YOU BUY – Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the brand” section below
OURA MEMBERSHIP – First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. 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 — delivering 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. From a workout to a night out — you’re free to forget it’s on. 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, & more
HSA/FSA ELIGIBLE – We can accept HSA or FSA funds for the following: Oura Ring, Oura Ring Chargers
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 that allows you to discreetly track your sleep, activity, recovery and stress — in style
Customers say
Customers find the ring’s functionality and health tracking features impressive, with one noting it’s a surprisingly powerful tool for health and wellness. The sleep tracking receives positive feedback, with customers appreciating the sleep data insights. The sizing receives mixed reactions – while some find it perfect for sizing, others note that the sizes don’t match standard ring sizing. The battery life and ease of use also get mixed reviews, with some reporting it lasts 8 days while others say it doesn’t last a day, and while the ring is easy to set up, some find the app less intuitive than expected. Customers consider the value for money negative, saying it’s not worth the price tag.
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