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Oura Ring 4 Ceramic - Petal - Size 11 - Size Before You Buy

  • Based on 131 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Dec 10
Order within 11 hours and 48 minutes
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Color: Petal


Size: 11


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
  • HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping.
  • DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.
  • SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more.
  • LOOKING FOR THE BEST HEALTH TRACKER? - Whether youre searching for a sleep ring or fitness ring, Oura Ring 4 is for you this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress in style.

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. 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: No GPS


Shape: Round


Brand: OURA


Style: Minimalist


Color: Petal


Target Audience: Unisex Adults


Package Dimensions: 4.84 x 4.37 x 1.34 inches


Item Weight: 6.9 ounces


Item model number: JZ90-57459-11


Batteries: 1 Lithium Polymer batteries required. (included)


Connectivity technologies: Bluetooth


GPS: No GPS


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


Other display features: Wireless


Human Interface Input: Unknown


Color: Petal


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: Wednesday, Dec 10

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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  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • 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

  • Stylish, smart, and super comfortable!
Color: Cloud Size: 5
I absolutely love my Oura Ring 4! The design is so sleek and elegant — it looks beautiful on my hand and goes with everything. It’s lightweight, comfortable to wear all day, and the health tracking is incredibly accurate. I especially love how it helps me understand my sleep and daily activity better. Totally worth it! ... show more
Reviewed in the United States on October 31, 2025 by Dina Rauliuk Dina Rauliuk

  • A Smart Ring That Redefines Wellness Tracking!
Color: Cloud Size: 10
The Oura Ring 4 is simply outstanding! Its ceramic design feels premium, lightweight, and comfortable to wear all day and night. The sensors are incredibly accurate, tracking sleep, heart rate, recovery, and activity with impressive precision. I love how seamlessly it syncs with the app, providing detailed insights that help me improve my daily habits. The battery lasts for days, and the charging is quick and effortless. This ring is the perfect combination of technology and style — highly recommended! ... show more
Reviewed in the United States on October 21, 2025 by Girlandio Oliveira Silva Girlandio Oliveira Silva

  • Great pick
Color: Cloud Size: 6
The Oura Ring Ceramic is sleek, elegant, and surprisingly lightweight. It tracks sleep, readiness, and activity with impressive accuracy. The ceramic finish feels premium and comfortable for all-day wear. A perfect blend of health tech and minimalist luxury.
Reviewed in the United States on October 28, 2025 by Aishika

  • Amazing wellness tracker!
Color: Petal Size: 6
I NEVER take this off! I’m into living a healthy lifestyle and this beautiful ring is the perfect fashion accessory and an advanced wellness tracker! It’s tracks your HR, sleep quality, calories burnt, activities, stress etc! Goes on for days without having to recharge!
Reviewed in the United States on November 6, 2025 by Honey.bon.bon Honey.bon.bon

  • 🔥
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

  • Would not connect
Color: Petal Size: 7
I loved the color-perfect fit-could not get it to connect-I tried for an hour-even used their virtual assistant-same result-I kept getting-"something went wrong". Looked up Oura's phone number -could not find one -only that they were receiving a higher than normal volume of calls-if you don't have enough people to serve your customers that's poor customer service-I will not tolerate poor customer service-I won't buy again ... show more
Reviewed in the United States on November 20, 2025 by Phantomsue

  • The best purchase
Color: Cloud Size: 8
The Oura Ring in ceramic is honestly the best purchase I’ve ever made. It’s sleek, comfortable, and looks amazing, but what truly makes it special is how accurately it tracks my health and daily wellbeing. From sleep quality to recovery and activity levels, it gives me insights that actually help me feel better every day. I can’t imagine going without it now — absolutely worth it! ... show more
Reviewed in the United States on October 16, 2025 by Anastasiia Kysel Anastasiia Kysel

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