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OURA

Oura Ring 4 - Gold - Size 4 - Size Before You Buy

  • Based on 4,397 reviews
Condition: New
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$499.00 Why this price?

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, Mar 28
Order within 5 hours and 38 minutes
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Style: Metallic


Color: Gold


Size: 4


Features

  • 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, and womens health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you delivering accurate, continuous data, day and night
  • LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 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

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 50 health metrics including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on. With multi-ring support, change Oura Ring 4 styles as easily as changing your outfit. If you have two or more Oura Ring 4 styles, you can now switch easily between different finishes in the Oura App.

Operating System: Android, iOS


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: Metallic


Color: Gold


Product Dimensions: 0.98 x 0.98 x 0.28 inches


Item Weight: 6.4 ounces


Item model number: JZ90-54216-04


Batteries: 1 Lithium Polymer batteries required. (included)


Date First Available: October 3, 2024


Manufacturer: Oura


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Mar 28

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
  • Affirm Pay in 4
  • 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.

Similar Products

Top Amazon Reviews

    • I love it, but the gold finish scratches a bit.
Style: Metallic Color: Gold Size: 10
I purchased the Oura Ring 4 in gold and I truly love it. What I like most is how it tracks my sleep the data is very detailed and it has helped me better understand my sleep patterns and overall energy. It’s also comfortable and you barely feel it on your finger. That said, the gold finish does scratch a bit with regular use, which was a downside for me considering the price. However, I contacted Oura’s official customer service and they were excellent they sent me a new one. Overall, I highly recommend it for the technology and insights it provides, but if you’re very particular about aesthetics, you might want to consider a different finish. ... show more
Reviewed in the United States on February 28, 2026 by Ruth Cuevas
    • Amazing
Style: Metallic Color: Gold Size: 9
The Oura Ring 4 really surprised me. It’s light, discreet, and so comfortable that I forget I’m wearing it. The sleep, activity, and heart rate tracking is very accurate, and the app explains everything in a clear, easy-to-understand way that actually helps in my daily routine. The battery lasts a long time, charges quickly, and the overall quality of the ring is excellent. If you want to track your health and wellness without wearing a watch all the time, this ring is perfect. I’m loving it and highly recommend it! ... show more
Reviewed in the United States on December 1, 2025 by Tensy Tavares Cordeiro
    • Disappointed, not durable and not worth the money 🙁
Style: Metallic Color: Gold Size: 8
Review Image by hlk226 hlk226
I have 3 relatives with the gen 3 and they loved it. Since it had such good reviews I splurged on the newest gen 4 and got the gold one. The gold is a brassy color and my sisters gen 3 is a better gold. I noticed scratches on mine right away and bought a silicone cover. I worn that for a few weeks and the past 2 weeks have been wearing it without and it has rubbed off in places and is silver underneath. I have also been sick for the past week and have had a fever and the ring showed a little bit of difference but still had I had a relatively good nights rest even while walking up coughing several times a night. Could the 3 be a better ring? I had such high hopes from the rave reviews from relatives. When I took the walking test it said my cardio capacity is at peak which is weird because I don’t exercise. My daughter who just ran a half marathon has a lower capacity than me and she is a runner. What am I missing here? The ring is not durable and looks cheap and scratched up, the info is not accurate and I paid $500 for this plus $7 a month? Going to contact the company because I think I. got a lemon. I waited a month to give it a fair chance but now the return window is closed. ... show more
Reviewed in the United States on November 29, 2024 by hlk226 hlk226
    • Worth the Price!
Style: Metallic Color: Gold Size: 8
Review Image by RealMomReviews RealMomReviews
I got a size 8 and wear it on my right pointer finger—fit is true to size and very comfortable for all-day and night wear. I’m honestly amazed at how much this ring can track, from sleep and recovery to activity and overall health insights. A huge bonus is that I was able to purchase the ring with my HSA card, and even use HSA funds for the yearly subscription as well, which made this an even better value for me. The data is detailed, easy to understand, and actually useful. If you’re looking for a sleek, comfortable wearable with powerful health tracking, I highly recommend the Oura Ring ... show more
Reviewed in the United States on January 18, 2026 by RealMomReviews RealMomReviews
    • Tracks everything and is so easy to use
Style: Metallic Color: Gold Size: 9
I finally got my hands on one of these bad boys! I took advantage of the Black Friday 30% off deal since these never go on sale! I’ve been eyeing them for over a year and wanted to pull the trigger! I’m honestly so glad i decided to get one! I love that it tracks my sleep, ovulation, stress, day to day readiness, steps, activity, etc. It’s everything I used to use other apps/watches/trackers for but in an easy, accessible, SMALL gadget. I love that it’s waterproof and I can wear it in the shower, love that i was able to get a gold ring to match my wedding ring and other jewelry i wear as well. You will have to BUY and app to get all the insights the ring has to offer, so keep that in mind. It is an annual or monthly cost of around $65 i believe. In my opinion, it’s worth it. I paid the one time annual fee to get it over with and now i don’t have to think about it. Everything is extremely easy to set up on the app, charge the ring, and set it up. I’ve had the ring a little over a week and the sleep data is my favorite right now. As a mom with a 6 mo and 22 mo, my sleep is LACKING but this helps me make sure i stay on track of it to the best of my ability right now! It lets me know how many hours i slept, my resting/sleeping heart rate, my REM, deep, and light sleep; and how long I was in each stage, tells me my readiness for the next day, etc. The ring does run larger than your normal size. I got a 9 and wear it on my middle finger which would normally be an 8. Keep that in mind. There are kits to try your size prior to buying, an a lot of stores have the try on kits to make sure you order the right size too! All in all, the ring is worth the price in my opinion and I wish i would have gotten it sooner because i love it so much! ... show more
Reviewed in the United States on December 3, 2025 by TheMidsizeMoore

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