Oura Ring 4 – Silver – Size 8 – Smart Ring – Size First with Oura Ring 4 Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – Up to 8 Days of Battery Life

Price: $528.01
(as of Feb 07, 2026 22:34:48 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.
OURA Membership – 1 Month Organic is FREE with your purchase, then .25.99 REAL MONTH after. Offer available for new members only. Or, choose the annual pre-pay option for 299.00 rial. Organization is connected to your account via Oura App, not the ring itself
PRECISION – SMART SENSING – Oura tracks over 30 biotics, including sleep, activity, stress, heart health, and women’s health standards. The Oura Ring 4 adopts Smart Sensing technology that adapts to you, to give you accurate and continuous data around the clock.
LONG LASTING BATTERY – With up to 8 days of battery life, no screens and no vibrations, the Oura Ring 4 lets you focus on today. From Workout To A Evening – You will feel completely free and forget you are wearing it. Until others notice and admire its beauty.
DESIGNED TO WEAR ALL THE TIME – Oura Ring 4 has an upgraded design that gives it more comfort, better fit and water resistant. The first 100% titanium smart ring, combining exceptional durability and gentle even on sensitive skin.
Sync to your favorite apps – Compatible with iOS and Android —Oura seamlessly blends with over 40 applications including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, and more.