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

Price: $344.99
(as of Apr 24, 2025 13:00:48 UTC – Details)



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