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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. Review: Beautiful design with genuinely useful health insights - I bought the Oura Ring 4 Ceramic (Tide) for my wife and she absolutely loves it. The ceramic finish looks clean and elegant — it doesn’t feel like a bulky piece of tech, just a really nice ring she actually wants to wear every day. Beyond the look, she’s been finding the health insights genuinely useful, especially the sleep and recovery tracking. It’s given her a better understanding of how well she’s actually resting and how that impacts her day. The app is straightforward and easy to interpret, which makes it more practical than overwhelming. Overall, it’s been a great combination of style and function. Definitely a win. Review: LOVE IT!!!! NO idea why people have terrible ratings. It's AMAZING!!!! - I LOVE MY RING!!!! I originally got the metallic ones and within a few days it seemed it'd be easy to scratch...then they came out with the ceramic and I was SO EXCITED! I got the beautiful pearly pink one and it does not scratch ever. I am a busy mom of 4 and it is beautiful, feminine and has no scratches. It's accurate. Charges well. Connects well. It's sooo strange that people wrote such odd negative reviews here. I've had ZERO problems and it's ammmmmazing. Plus you have 30 days to return it to try so give it a try! :) My hubby is going to get one too in the midnight blue from their website.




















| ASIN | B0FKQXKVTQ |
| Additional Features | Lightweight |
| Age Range Description | Adult |
| Band Material Type | Ceramic |
| Battery Average Life | 5 days |
| Battery Capacity | 18 |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #43 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings |
| Brand | OURA |
| Built-In Media | Charging Cable, Information Booklet, Oura Ring 4 Ceramic, Oura Ring 4 Charger, Quick Start Guide |
| Color | Midnight |
| Communication Feature | Bluetooth, GPS |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.5 out of 5 stars 506 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Buttons |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Heart Rate, Menstrual Cycle, Sleep Duration |
| Model Number | JZ90-57455-09 |
| Operating System | Android, iOS |
| Shape | Round |
| Special Feature | Lightweight |
| Style Name | Ceramic |
| Supported Application | Fitness Tracker, Sleep Monitor, Voice Control, Time Display, Messages, Social Media, Heart Rate Monitor, Pedometer, Reminders, Weather, Calendar, Music Player |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Limited |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
E**D
Beautiful design with genuinely useful health insights
I bought the Oura Ring 4 Ceramic (Tide) for my wife and she absolutely loves it. The ceramic finish looks clean and elegant — it doesn’t feel like a bulky piece of tech, just a really nice ring she actually wants to wear every day. Beyond the look, she’s been finding the health insights genuinely useful, especially the sleep and recovery tracking. It’s given her a better understanding of how well she’s actually resting and how that impacts her day. The app is straightforward and easy to interpret, which makes it more practical than overwhelming. Overall, it’s been a great combination of style and function. Definitely a win.
D**S
LOVE IT!!!! NO idea why people have terrible ratings. It's AMAZING!!!!
I LOVE MY RING!!!! I originally got the metallic ones and within a few days it seemed it'd be easy to scratch...then they came out with the ceramic and I was SO EXCITED! I got the beautiful pearly pink one and it does not scratch ever. I am a busy mom of 4 and it is beautiful, feminine and has no scratches. It's accurate. Charges well. Connects well. It's sooo strange that people wrote such odd negative reviews here. I've had ZERO problems and it's ammmmmazing. Plus you have 30 days to return it to try so give it a try! :) My hubby is going to get one too in the midnight blue from their website.
P**.
Buy this ring!
Bought for husband. He loves it and isn't a ring guy...like no wedding ring kinda guy. Says he wishes this was around when he bought is smart watch. He wont sleep with a watch, but the ring is comfortable. He likes the information it gives and the ease of tracking things. He is not a gentle creature and so far its holding up and still looks brans new. He gets a lot of compliments and questions about it.
A**C
Smart, Sleek, and Surprisingly Insightful!
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!
S**E
Track your Biometrics without Interruptions
I purchased the Oura Ring 4 right before heading to a wellness retreat in Arizona because I wanted to disconnect from constantly wearing my Apple Watch and being tied to my phone—and it delivered exactly what I was looking for. The ring tracks many of the same key metrics (sleep, activity, readiness), but in a much more subtle, low-maintenance way. What really stands out is the app experience: the UI is clean, intuitive, and actually enjoyable to use. It presents data in a way that feels actionable without being overwhelming. The sleep tracking has been especially helpful. The level of detail, like sleep stages, restfulness, and trends over time and has given me better insight into how my habits impact recovery. I also appreciate how it passively tracks activity throughout the day without needing to manually log everything. Overall, it’s been a great alternative to a smartwatch, especially if you're trying to be more mindful and less connected while still keeping tabs on your health. Comfortable, discreet, and surprisingly powerful. The ceramic one seems durable and I picked up a polishing cloth for it. Charging is easy with the included charger.
R**A
Stylish, does what’s expected.
Love what the ring does. Happy with the stats you get. I bought a less expensive version of a smart ring and it only lasted 4 months! Color is pretty. Ceramic exterior not very scratch resistant though.
L**R
Great for sleep and recovery tracking without wearing a bulky watch
I’ve really enjoyed using this ring so far. It has a good lightweight fit, comfortable, and much less distracting than wearing a smartwatch all day and night. Great functions including sleep tracking which has been especially helpful and honestly feels pretty accurate compared to how rested I actually feel. The app is clean and easy to understand but it is not included and you have to pay a monthly subscription. I like being able to see trends with sleep, stress, activity, and recovery all in one place. Very duarable. The ceramic cloud color also looks sleek and neutral enough to wear with everything. Battery life has been solid too. Expensive, yes, but if you’re into health tracking and want something more minimal than a watch, I think it’s worth it.
D**N
Beautiful ring.
Love my ring. I like how well it tracks my sleep. It holds a charge for a week before it needs recharged.
S**G
First look & impression Oura Ring 4 Ceramic Cloud
Really the only Lord of the Ring Oura Ring Best wearable tech ring , best for easy wear night slip in finger ring to track my sleep . Fantastic sleep data analytics.
S**I
Beautiful ring, but ceramic finish doesn’t last
The ring looks great out of the box and is very comfortable to wear daily. That said, after three months of everyday use — no gym, no heavy lifting, nothing extreme — the ceramic finish is already showing noticeable wear and scratches. For a premium device at this price point, that’s disappointing. As for the health tracking itself, I honestly haven’t noticed a major benefit. My sleep was bad before and it’s still bad — the ring just confirms it with graphs now. The algorithms do their thing, but I can’t say the data has changed my habits. The ring is beautiful, the app is fine, but I’d recommend going with titanium over ceramic. Three stars because the hardware quality doesn’t match the price.
S**K
Yes it does help!
Initially I had my doubts, but after 1 month - I am now a believer!
F**A
Przeznaczenie
Bardzo polecam, pierścień gwarantuje bardzo dobre wsparcie w dbaniu o zdrowie.
C**O
Ho scelto di prendermi cura di me 💝
Ci ho pensato molto, ma ho deciso di farmi questo regalo per la mia salute. Non è un acquisto economico, ma per me ne vale davvero la pena. Da quando uso Oura Ring in versione rosa ceramica, è diventato parte della mia routine quotidiana. Non è solo un accessorio bellissimo ed elegante, ma soprattutto uno strumento davvero utile per il benessere. Monitora il sonno, l’energia e i segnali del corpo in modo semplice e preciso, aiutandomi a capire quando rallentare e quando invece posso dare il massimo. Mi piace perché è discreto, leggero e sempre con me, senza essere invasivo. In più, esteticamente è stupendo: il rosa ceramica è raffinato e si abbina a tutto, sembra un gioiello più che un dispositivo tecnologico.
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