Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 12 - Black - (2026)
Customers are saying
Customers regard this product highly for its sleek, lightweight design and improved comfort, which many users find superior to previous versions. The extended battery life and intuitive health tracking features are also frequently praised for their convenience and overall performance. While the device is widely celebrated for its size and usability, some users have noted that the Bluetooth connectivity can occasionally be slow.
Color
BlackTHE 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.
- Operating System CompatibilityApple iOS, AndroidApp CompatibleYesBuilt-in Storage0 gigabytesMetrics MeasuredActivity vs. inactivity, Calories burned, Duration of exercise, Duration of sleep stages, Hours slept, Resting heart rate, Skin temperatureProtective QualitiesWater resistant, Dust resistantMaximum Depth of Water Resistance328 feet
Reviews
Rating 4.8 out of 5 stars with 737 reviews
- Design (188)
- Battery Life (170)
- Comfort (138)
- Health Tracking (86)
- Overall Performance (84)
- Connectivity (4)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Introducing the world’s smallest smart ring—Oura Ring 5, built with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits seamlessly in with your life and your style. The updated all-titanium design is more scratch-resistant and comfortable than ever, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 6-9 days of battery life you can even forget it’s on. No more compromises when it comes to tracking your health. IMPORTANT: Size yourself with the Oura Ring 5 Sizing Kit before you buy — Oura Rings are not US standard sizing and other Oura Ring generations, and finding the right size will result in the best experience possible. With an Oura Ring 5 Sizing Kit purchase, you will receive a $10 Best Buy gift card to use towards your Oura Ring 5 purchase.
Introducing the world’s smallest smart ring—Oura Ring 5, built with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits seamlessly in with your life and your style. The updated all-titanium design is more scratch-resistant and comfortable than ever, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 6-9 days of battery life you can even forget it’s on. No more compromises when it comes to tracking your health. IMPORTANT: Size yourself with the Oura Ring 5 Sizing Kit before you buy — Oura Rings are not US standard sizing and other Oura Ring generations, and finding the right size will result in the best experience possible. With an Oura Ring 5 Sizing Kit purchase, you will receive a $10 Best Buy gift card to use towards your Oura Ring 5 purchase.
Introducing the world’s smallest smart ring—Oura Ring 5, built with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits seamlessly in with your life and your style. The updated all-titanium design is more scratch-resistant and comfortable than ever, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 6-9 days of battery life you can even forget it’s on. No more compromises when it comes to tracking your health. IMPORTANT: Size yourself with the Oura Ring 5 Sizing Kit before you buy — Oura Rings are not US standard sizing and other Oura Ring generations, and finding the right size will result in the best experience possible. With an Oura Ring 5 Sizing Kit purchase, you will receive a $10 Best Buy gift card to use towards your Oura Ring 5 purchase.
Introducing the world’s smallest smart ring—Oura Ring 5, built with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits seamlessly in with your life and your style. The updated all-titanium design is more scratch-resistant and comfortable than ever, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 6-9 days of battery life you can even forget it’s on. No more compromises when it comes to tracking your health. IMPORTANT: Size yourself with the Oura Ring 5 Sizing Kit before you buy — Oura Rings are not US standard sizing and other Oura Ring generations, and finding the right size will result in the best experience possible. With an Oura Ring 5 Sizing Kit purchase, you will receive a $10 Best Buy gift card to use towards your Oura Ring 5 purchase.
| Pros for Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 12 - Black - (2026) | |||
|---|---|---|---|
| Design, Battery Life, Comfort, Health Tracking, Overall Performance | Design, Battery Life, Comfort, Health Tracking, Overall Performance | Design, Battery Life, Comfort, Health Tracking, Overall Performance | Design, Battery Life, Comfort, Health Tracking, Overall Performance |
| Cons for Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 12 - Black - (2026) | |||
| Connectivity | Connectivity | Connectivity | Connectivity |
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