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Oura Ring 4 Ceramic - Cloud - Size 7 - Size Before You Buy

  • Based on 83 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Dec 11 – Dec 12
Order within 8 hours and 32 minutes
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Color: Cloud


Size: 7


Features

  • SIZE BEFORE YOU BUY - Oura Ring sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see From the manufacturer 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 50 health metrics, including sleep, activity, stress, heart health, metabolic health,and womens health metrics. Smart Sensing technology adapts to you delivering accurate, continuous data, day and night
  • LONG LASTING BATTERY - With 5 to 8 days of battery life, no screens and no vibrations, Oura Ring 4 Ceramic allows you to focus on the present. From a workout to a night out youre free to forget its on. Until you start getting compliments
  • DESIGNED FOR 24/7 WEAR - Thoughtfully crafted in high-performance zirconia ceramic, Oura Ring 4 Ceramic combines refined elegance with everyday durability. The updated design is comfortable and is water resistant.

Description

Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology, blending refined elegance with everyday durability. The high- performance ceramic exterior is designed to keep up with you. The Ceramic Collection is available in sizes 4-15 and three unique colors: 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 is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping. Oura Ring 4 Ceramic Polishing Pad: Keep your Oura Ring 4 Ceramic looking like new with the Ceramic Polishing Pad, redeemable once you sync your purchase in the Oura App. 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. IMPORTANT: Size yourself with the Oura Ring Sizing Kit before you buy — Oura Rings are not US standard sizing, and finding the right size will result in the best experience possible. With a sizing kit purchase, a credit will automatically be applied to your Oura Ring at checkout.

Special Feature: Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight


Connectivity Technology: Bluetooth


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Polymer


GPS: GPS Via Smartphone


Shape: Round


Brand: OURA


Style: Minimalist


Color: Cloud


Target Audience: Unisex Adults


Package Dimensions: 4.57 x 4.49 x 1.46 inches


Item Weight: 6.7 ounces


Item model number: JZ90-57460-07


Batteries: 1 Lithium Polymer batteries required. (included)


Connectivity technologies: Bluetooth


GPS: GPS Via Smartphone


Special features: Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight


Other display features: Wireless


Human Interface Input: Buttons


Color: Cloud


Whats in the box: Information Booklet, Oura Ring 4 Ceramic, Oura Ring 4 Charger, Quick Start Guide, USB Cable


Manufacturer: Oura


Date First Available: October 1, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Dec 11 – Dec 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • 🔥
Color: Cloud Size: 11
I had a couple of watches with trackers, but the ring is something!!!! I’m so glad I bought it. It’s super light — I barely feel it on my finger, yet it tracks everything — sleep, readiness, heart rate, body temperature, even stress levels. The insights are so much more accurate than any smartwatch I’ve tried before. I love checking my sleep score in the morning — it actually helps me understand how my body feels that day. And the design? Minimal, elegant, and goes with literally any outfit. Totally worth it if you care about your health and want something that doesn’t scream “fitness tracker.” ... show more
Reviewed in the United States on October 15, 2025 by Tatiana Tatiana

  • Smart, Sleek, and Surprisingly Insightful!
Color: Cloud Size: 9
I absolutely love my Oura Ring 4! It’s lightweight, stylish, and so comfortable that I forget I’m even wearing it. The sleep tracking is incredibly accurate and has helped me improve my bedtime routine. I also appreciate the readiness and activity scores — they make it easy to understand how my body is doing day to day. The battery life is impressive, lasting several days on a single charge, and the app is very user-friendly with clear insights and tips. I also love that it looks like a simple, elegant ring rather than a bulky fitness tracker. If you’re serious about improving your health, sleep, and daily performance, the Oura Ring 4 is worth every penny. It’s like having a personal wellness coach on your finger! ... show more
Reviewed in the United States on October 8, 2025 by Amber_UGC Amber_UGC

  • Too thick
Color: Cloud Size: 8
I tried two different sizes of this oura ring I am just not a fan of the ceramic it is too thick and uncomfortable I’m going back to my original gen 4 ring.
Reviewed in the United States on October 16, 2025 by Katelyn McKeand

  • Ceramic Oura Ring!
Color: Cloud Size: 9
Just received my Cloud Ceramic Oura ring in size 9 and here are my first impressions. (Will update review and rating after getting more use) The ceramic Oura rings are thicker than their regular Oura ring gen 4s by about 0.7mm. (Reg Gen 4 is 2.88mm, Ceramic is 3.51mm). I don’t have another gen 4 Oura ring to compare the sizes to, but I do have a RingConn Gen 2 in size 10 and you can notice the difference in their thickness. The RingConn is 2mm. The color itself is reminiscent of new shower tiles since it is ceramic after all. It’s cool to the touch and very shiny so it does collect fingerprints. So far, that is all, thanks for reading! Update: I’ve worn this ring around for a couple of days now whether it’s to school, gym, or even a coffee shop and the ceramic shell has remained scratch free. However, I noticed the sleep tracking on the Oura isn’t as accurate as it is on my RingConn gen 2. Both got the same sleep and wake times, but RingConn caught me waking up a couple of times a night and Oura didn’t. Overall, if you want a more accurate and affordable check out RingConn. It’s much cheaper and does not require a subscription. If you want a durable stylish ring, go for Oura. ... show more
Reviewed in the United States on October 4, 2025 by Jerry Jin Jerry Jin

  • Love!!!
Color: Cloud Size: 8
I love this ring. I’ve never been interested in health and wellness before buying my Oura ring. And now I’m obsessed I catch myself checking my data multiple times a day. On top of it just being a cute ring. I’d highly recommend
Reviewed in the United States on October 15, 2025 by marissa brogan marissa brogan

  • Health insights that are worth it
Color: Tide Size: 8
I love the new color and ceramic material of the oura ring. I used an older version, but decided to upgrade when I saw the new opportunity to have a fun color. I love the health insights the app offers, like heart rate variability. This is a metric that is super important to overall health, but I had no way to regulate or track before using Oura. If you are on the fence on buying this, go for it, you will not regret it! ... show more
Reviewed in the United States on October 14, 2025 by HappiHealthiYogi

  • So pretty but...
Color: Petal Size: 8
I really want to like this ring, it is pretty and shiny but I've worn it for less than 2 hours and it is already scratched up. And all I have done in it is stirred soup in a pot. It also feels quite bulky. Too bad.
Reviewed in the United States on October 10, 2025 by Roxanne Harry

  • Cosmetic damage
Color: Petal Size: 9
Finally bought an Oura ring to track my health and fitness without having to commit to a watch… first impressions were that I loved it and I still love all the tracking features from sleep, to my fitness level. You can even track food in the app so it’s everything in one place. One thing I will mention is that it hasn’t even been 3 days since I started wearing it and I have the one in pink color with ceramic coating and from one corner the color has already chipped. I didn’t drop it or wasn’t rough with it, even put a silicon cover for most days. Disappointed that it got cosmetic damage so quickly, will probably be returning it and maybe getting the other finish ... show more
Reviewed in the United States on October 9, 2025 by hahmed hahmed

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