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Oura Ring 4 - Gold - Size 7 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life

  • Based on 2,199 reviews
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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon

Arrives Sunday, Mar 30
Order within 32 minutes
Available payment plans shown during checkout

Color: Gold


Size: 7


Description

Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 30 biometrics including sleep, readiness, activity, heart health, stress, and women’s health. Oura Ring 4 quietly and comfortably monitors your health and with up to 8 days of battery life — you can forget it’s even on. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you. Oura Ring 4 is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring 4, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring 4 Sizing Kit before you buy — Oura Ring 4 is not US standard sizing, and finding the right size will result in the best experience possible. With an Oura Ring 4 sizing kit purchase, a $10 credit will automatically be applied to your Oura Ring 4 at checkout.

Special Feature: Heart Rate Monitor, Activity Tracker, Pedometer


Connectivity Technology: Bluetooth


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Polymer


GPS: No GPS


Shape: Round


Brand: OURA


Style: Minimalist


Color: Gold


Target Audience: Unisex Adults


Product Dimensions: 1.1 x 1.1 x 0.28 inches


Item Weight: 6.3 ounces


Item model number: JZ90-54216-07


Batteries: 1 Lithium Polymer batteries required. (included)


Connectivity technologies: Bluetooth


GPS: No GPS


Special features: Heart Rate Monitor, Activity Tracker, Pedometer


Other display features: Wireless


Human Interface Input: Buttons


Color: Gold


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


Manufacturer: Oura


Country of Origin: Estonia


Date First Available: October 3, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 30

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.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • 100% better sleep
Color: Black Size: 7
I’ve been supporting Oura since it was a kickstarter. I had the version 3 and decided not to upgrade but since my spouse lost her ver 3 I gave her mine and ordered this. If you’ve never had an Oura ring: this product is amazing. So comfortable, more so than a watch. The app is great, I’ve learned so much about sleep habits, what to do and not to do for sleep. Lovers of science will like this, you can literally experiment and see the exact results for yourself. Accuracy: I would say this is 95% accurate. Again, I’ve been using this for about 5 years. So I’ve seen the accuracy improve IMMENSELY over the years. Version 4 is the best yet. Better than any other sleep tracker I’ve tried and I’ve tried a lot. The biggest inaccuracy is every now and then I’ll get up to pee in the middle of the night and it will think I woke up for the day. Sometimes it knows I just went to pee sometimes not. Since I noticed it, I take my ring off if I get up to go to the toilet and it fixes the issue—just don’t forget to put it back on! Key info for consumers: the fit is slightly larger than the version 3. To be exact I would say the version 4 is about half a size larger. So the new size 7 for example, would be a size 7.5 on the old version 3 and older models. The new size is great for me. My old ring was snug on my ring finger. So now I can wear the new one on my pointer finger and even middle finger depending on how hot it is. It all depends on the temperature outside due to our hands expanding/shrinking in heat/cold. Hot days I’ll wear on my ring finger, cold days I can wear on my index or middle finger. Conclusion: I love the Oura ring. It’s more comfortable than an Apple Watch or a woop in my experience. Way, WAY more comfortable. It’s also very accurate and the info is extremely useful. It’s increased my understanding of sleep, the importance of exercise for sleep, and dare I say, made me a better person. Getting better sleep takes effort, and this is merely a tool to help you do that. Getting better sleep can 100% make you a better person and I speak from my own experience. ... show more
Reviewed in the United States on March 18, 2025 by Andrew McMillian

  • One month in! It's great!
Color: Stealth Size: 9
I've been wearing the oura ring gen 4, stealth, size 9 for exactly one month now. First off, sizing. I was between sizes 9 and 10. I opted for the smaller size using this little test: Using the plastic ring sizes, if you cannot take off the ring in the morning when your fingers are puffiest, and the only way to do so is by wetting your finger to add some slippage, then that's the right size. With the bigger size, I was able to take off the ring in the morning without using water so I felt that size was too big. One month later, I am glad I went with the smaller size. No discomfort and still using water in the morning to take off the ring before I shower. Comfort I wear it on my right index finger. I did not like in between fingers, which is the reason I wear a silicone wedding band. But overall, it's not very intrusive. It's annoying to write with a pen or pencil but that's not often. Appearance I love the stealth color. Already got a few scratches on my palm side, which is a little annoying. But I tell myself that at least the back of my hand, the ring looks like new. I use these silicone protectors when working out with weight and it does a great job. The scratches came from handling things where I should have taken off my ring. I wish there were some way to make the scratches less visible as these scratches you see a shiny silver metal which contrasts a lot! Battery No issues. I charge it every few days or so while I shower. I am manually trying to keep the battery at between 25% and 75% but most often I forget that I left it charging and it goes back to 100%. Sleep Tracking I'm not a power user. I enjoy checking in the morning my sleep score and compare it to how I thought my sleep went the night prior. Pretty accurate sleep tracking in my opinion. Fitness Tracking. So we all know that the step counter is way off so I don't really care about that. However, the ring really is good at spotting fitness "events" and I love that when opening the app, there's a backlog of events that you have to confirm the type of activity. My top three are: housework, walking, and HIIT. The app gets better at recognizing the events so most times I am just confirming instead of categorizing. Overall, this level of tracking is simply encouraging me to be more active, which has lead to a good impact on my health. Overall, pretty satisfied with the ring. Glad I got it. ... show more
Reviewed in the United States on February 19, 2025 by Nicole R.

  • Best device for its functionality!
Color: Silver Size: 8
I purposely waited for about a month for this review, and I’m glad I did because this ring is an amazing at tracking my heart rate, sleeping habits, stress levels, etc. The only thing I’d like as an addition to this ring if it tracked my BPM, and this would be perfect! I love the look of it, right down my alley, the app is easy to use and it’s a solid and tough ring! Definitely worth every penny! ... show more
Reviewed in the United States on March 20, 2025 by Mercedes singleton

  • Great Sleep Tracking, Annoying Subscription
Color: Silver Size: 7
I recently purchased the Oura Ring 4 in silver (size 6), both for myself and my wife, and overall, we're really impressed. The sleep tracking is fantastic! It's been incredibly insightful to see our sleep patterns and get data on our heart rate and activity levels. The ring itself is sleek and comfortable to wear, and the battery life is truly impressive – lasting nearly a week. However, there's one major downside: the subscription fee. For a device that's already quite expensive, adding a monthly subscription feels unnecessary and a bit greedy. While the data it provides is valuable, I wish they would offer a one-time purchase option or a more affordable subscription plan. Despite the subscription issue, the Oura Ring 4 is a great device for tracking sleep and general wellness. 1 If you can stomach the ongoing cost, it's definitely worth considering. ... show more
Reviewed in the United States on March 23, 2025 by AmazonCustomer AmazonCustomer

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