Features

THE WORLD’S SMALLEST SMART RING
40% smaller than the previous generation, Oura Ring 5 is thinner, lighter and smaller than ever. The updated all-titanium design is more scratch-resistant and comfortable than ever.
SIZING IS ESSENTIAL
Oura Ring 5 uses unique sizing different from standard jewelry rings and other Oura Ring generations; use the Oura Ring 5 Sizing Kit to find your perfect fit before purchasing
EVERYDAY HEALTH SENSING
Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health and women’s health metrics. Oura seamlessly integrates with over 40 apps including Natural Cycles, Strava, & more
REBUILT FOR GREATER ACCURACY
Oura Ring 5 has been re-engineered and reconfigured, providing more precise personal health data. Larger, smarter sensors bring research-grade accuracy —all in Oura’s smallest form factor yet.
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
1 WEEK OF BATTERY LIFE
With 6-9 days of battery life, you’ll never miss a night of data.
DIVE DEEPER WITH AI
Oura Advisor provides sound guidance as you make moves toward more sustained energy levels, better sleep, a healthy weight, and so many other health benefits
HSA/FSA COMPATIBILITY
You may be eligible for reimbursement on your Oura Ring purchase. You can submit your Best Buy confirmation email to your FSA or HSA provider as proof of purchase.

Oura – Ring 5 – Smart Ring & Fitness Tracker – Size Before You Buy with OR5 Sizing Kit – Size 10 – Black – (2026)