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Overview
Take charge of your well-being with the Oura Ring 4 Ceramic. Powered by Smart Sensing, this smart ring does more than just measure your biometrics—it adapts to you. Gain insights across 50+ health metrics, including sleep, readiness, activity, heart health, stress, metabolic health and women’s health, to help you make smarter choices every day. Retail Exclusive at Best Buy.
Oura Ring 4 Ceramic Sleep & Fitness Smart Ring - Midnight - Size 7 - Retail Exclusive at Best Buy
Sold and shipped by Best Buy
Available to ship
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.
Not available for pickup
Sorry, at this time, this product cannot be picked up in-store.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.
Return Policy
Read return policyLow Price Guarantee
Find a lower price anywhere else, we'll gladly match it. Exclusions apply.
See detailsManufacturer's Warranty
Check with the manufacturer for details or add Best Buy Protection for extra coverage.
For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.
What's included:
- Oura Ring 4 Ceramic
- OR4 Charger
- Retail Exclusive at Best Buy
- Enjoy your first month of membership free (offer available to new members only. Monthly membership fee may be required after the first month)
- Tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health, and women’s health metrics
- Smart Sensing adapts to your unique finger and activity for accurate, continuous data, day and night
- Wake up to detailed sleep analysis that helps you build better habits and feel your best. Oura tracks your sleep stages throughout the night, along with blood oxygen levels, HRV, and nighttime heart rate, giving you the insights you need to improve your overall well-being
- Oura Readiness Score helps you understand how prepared your body is for the day by analyzing 30+ signals like sleep, heart rate, HRV, and temperature—so you know when to push and when to rest
- Whether you're running a marathon or running errands, Oura tracks your steps, workouts, calories burned, and daily activity while helping you maintain a healthy balance between movement and recovery
- Monitors your heart rate and HRV daily, and gain deeper insights like cardiovascular age and cardio capacity to better understand and care for your heart
- Provides personalized insights into your menstrual cycle to help you see how it impacts your mood, sleep, and overall wellness. Oura Ring 4 Ceramic tracks the changes in your body throughout your cycle and predict your period up to 30 days in advance
- Helps you identify signs of stress and shows how well your body is coping. You'll know when you need to incorporate more self-care practices and how to recover from long term stressors
- Stress Resilience visualizes how your body handles stress over time, empowering you to strengthen your ability to recover and thrive through life’s ups and downs
- Get insights into your metabolic health with meal timing, nutritional breakdowns, and how your food choices impact your energy and overall well-being
- Stay present with a distraction-free design and 5-8 days of power (All battery claims depend on Oura Ring size, Oura App settings, feature configuration, activity, age of battery, usage, and many other factors; actual results will vary. Battery life and charge cycles vary by use and settings. Battery tests were conducted across various sizes and scenarios. See Ring Battery tips for more information)
- Made with high-performance zirconia ceramic material, it is comfortable, water resistant and gentle, even for sensitive skin
- Ceramic polishing pad helps keep your ring in top condition (redeemable once you sync your purchase in the Oura app. Due to the hardness of the zirconia ceramic, it can take on the colour of softer metals, like a dumbbell or cookware)
- Automatically sync with Apple Health, Google Fit, Health Connect, Strava, and Natural Cycles to keep all your health and workout data in one place
- Check your Oura data anytime from your iPhone or Apple Watch with easy-to-use iOS widgets and complications, plus access a companion version of the Oura app right on your wrist
- If you have two or more Oura Ring 4 styles, you can switch easily between different finishes in the Oura app
- Oura app is compatible on Android devices running Android 8.0 and higher with Google Play services. The device must also support Bluetooth 4.0
- iOS and Android apps available in English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Danish, and Swedish. Supports metric and imperial units of measurement
- Add the Oura Ring 4 sizing kit (available separately)
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.