Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 7 - Black - (2026)
Customers are saying
Customers value the product's comfort, long battery life, and sleek design, along with its convenient size. They also appreciate its effective health tracking capabilities, overall performance, light weight, and appealing color and form factor.
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 4.7 out of 5 stars with 286 reviews
- Comfort (79)
- Battery Life (69)
- Design (63)
- Size (57)
- Health Tracking (36)
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.
Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful new take comes with the same cutting-edge technology of Oura Ring 4. Track over 50 health metrics and get personalized insights into your sleep, activity, readiness, stress, heart health, metabolic health, women's health and more. It is built around a breakthrough sensing technology, Smart Sensing, which adapts to your finger to deliver accurate, continuous data. With 5-8 days of battery life, you'll see a complete picture of your health. It's designed with recessed sensors on the interior, making it comfortable and gentle, even on sensitive skin. Oura Ring 4 Ceramic comes in sizes 4-15 and four stunning finishes to fit your style and your finger, effortlessly. Keep your Oura Ring 4 Ceramic looking like new with the Ceramic Polishing Pad. Once you activate your Oura Ring 4 Ceramic, you’ll receive an in-app message and email with instructions to redeem your free Ceramic Polishing Pad. Due to the hardness of the zirconia ceramic, it can take on the color of softer metals, like a dumbbell or cookware. Over time, you may notice grey marks on your Oura Ring 4 Ceramic. Rest assured, it's not damaged — it's evidence of a metal transfer and easy to remove with proper cleaning. Use caution when handling metal objects and consider removing your Oura Ring for some activities. The Oura Ring 4 Ceramic Polishing Pad is your partner in keeping your ring in top condition.
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 7 - Black - (2026) | |||
|---|---|---|---|
| Comfort, Battery Life, Design, Size, Health Tracking | Comfort, Battery Life, Design, Overall Performance, Sleep Tracking | Comfort, Battery Life, Design, Size, Health Tracking | Comfort, Battery Life, Design, Size, Health Tracking |
| Cons for Oura - Ring 5 - Smart Ring - Size Before You Buy with OR5 Sizing Kit - Size 7 - Black - (2026) | |||
| There were no cons for this product— | Size, Weight | There were no cons for this product— | There were no cons for this product— |
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