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OURA

Oura Ring 4 - Stealth - 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 752 reviews
Condition: New
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$399.00 Why this price?

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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, Jun 27
Order within 6 hours and 1 minute
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Color: Stealth


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: Sleep Monitor


Connectivity Technology: Bluetooth


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Polymer


GPS: No GPS


Shape: Ring


Brand: OURA


Model Name: Oura Ring 4


Style: Modern


Color: Stealth


Package Dimensions: 4.61 x 4.61 x 1.26 inches


Item Weight: 6.5 ounces


Item model number: JZ90-54218-07


Batteries: 1 Lithium Polymer batteries required. (included)


Connectivity technologies: Bluetooth


GPS: No GPS


Special features: Sleep Monitor


Other display features: Wireless


Human Interface Input: Unknown


Color: Stealth


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: Friday, Jun 27

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.

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Top Amazon Reviews

    • Must Have Health Tracker
Color: Gold Size: 8
Review Image by Nikita Nikita
I’ve been using the Oura Ring for about a week now, and it’s already been a game-changer in understanding my health and daily habits. Here’s what stood out to me: Design and Comfort The sleek design makes it look like a regular ring, and it’s surprisingly lightweight. I often forget I’m wearing it, even while sleeping or working out. It’s also water-resistant, so I don’t have to take it off for washing hands or showering. Features and Insights The Oura Ring tracks sleep, activity, and readiness with remarkable accuracy. It even detects when I’ve taken a nap! The sleep insights are detailed, breaking down REM, deep, and light sleep stages. It’s helped me make small changes, like setting a consistent bedtime, that have improved my overall rest. The activity tracking motivates me to stay active without pushing too hard. I love how it adapts to my energy levels, giving personalized recommendations for recovery or exercise. Battery Life and App The battery lasts about 8 days, which is impressive compared to my Apple Watch. The companion app is intuitive, with easy-to-read metrics and actionable tips. Syncing with my phone has been seamless. What Could Be Better The price may feel steep, but considering the wealth of data it provides, I believe it’s worth it. Also, sizing can be tricky, so make sure to use the sizing kit they offer. The ring is HSA/FSA approved so it made the purchase more affordable since I had the money already set aside. Final Thoughts If you’re looking for a discreet, powerful health tracker, the Oura Ring is an excellent investment. It’s perfect for anyone who wants to optimize their sleep, monitor activity, and improve overall wellness without wearing a bulky device. 5/5 stars! Highly recommend. ... show more
Reviewed in the United States on December 28, 2024 by Nikita Nikita
    • Awesome smart ring
Color: Gold Size: 11
Love th gold color, and is comfortable. Get the ring testing kit before buying and you get a credit on the purchase. I use it on my left index finger I track my sleep, stress, oxygen, temperature changes at night, readiness score for the day and more. It’s very useful. I love to see how ready I am for the day and my sleep levels If I get more than an hour deep sleep I know I am good Anything over 1.5 hours of deep sleep is excellent. I can also see my REM sleep to see how long I was dreaming. Awesome ring. Love it ... show more
Reviewed in the United States on January 19, 2025 by Dude
    • Apple Watch convert. Oura 4 is great
Color: Stealth Size: 14
I’m a former Apple Watch user and hated wearing the watch as I prefer a more traditional watch. Apple Watch battery life always caused me to miss sleep patterns and it always needed charging in 24 hours. It’s not for me and I also didn’t like working out with a watch on. I ended up rarely wearing the watch After fitting for the ring I went with the stealth black. The battery life has been great and so far I’m getting 7 days. It accurately tracks heart rate and sleep, which were my biggest needs but I love that I can wear it for a week straight without charging. It’s tracks way more like recovery, sleep cycles and vo2 and frankly I’m getting way more out of the ring than I expected. I also wear it when I workout including weights and it’s been unnoticeable to me unlike the Apple Watch. I love the simplicity of a ring and I’m a full convert. As for the monthly fee that some people seem to be mad about, I’m sure there are apps fees most of us are paying for other things but this fee is cheap for what it is. It’s your health after all and it’s worth it. They are also constantly improving the app and older versions of the ring work with these updates. I’m more than happy paying this fee as it’s going to improvements in health metrics (and I’m sure some profits) but it’s worth it to me because the app is very insightful and beyond my expectations. Durabilty also seems great. I’ve showered with it and worked out with barbell right on it and so far there are no scratches As for things I wish it had - The charger is meant for the ring size you buy so you are very limited in charging if you don’t have it. If you lose it you got problems. It’s not ideal but i also don’t know what could be done here There is no portable charger and it feels like a big need. I wish it had an AirPod like charging case for travel. I travel for 2-3 weeks at a time and sure wish I had a portable charger I could get a couple recharges from. They have to be working on this as it seems like a no brainer The silver interior with stealth black I wish was all black but it’s not really noticeable. Not a bud deal ... show more
Reviewed in the United States on October 27, 2024 by James H.
    • Comfortable, Classy, & Helpful
Color: Brushed Silver Size: 9
Review Image by Dylan Martin Dylan Martin
I love this ring. I tried the Whoop Band for a bit and found it not comfortable enough for 24/7 wearing. The Oura Ring, though? Honestly, by the end of the first day, I got used to it. If you've ever worn a cheap, simple ring, this is about equally as thick. The titanium is nice, though. Feels very sturdy and I've already gotten compliments about the way the light shines against it. Now let's talk about the smartness. 2 days ago, it warned me that I might be getting sick. Today, I woke up with a cold and Oura was like, hey! Seems like you're sick. You should probably turn on rest mode! Now that's some wizardry. The Oura Advisor (currently under Oura Labs) is also freaky helpful. I even asked it if it was weird that this AI felt like a second therapist for me and it gave a thoughtful, insightful answer! I was pretty blown away. Especially as it supported my use of other help apps, as compared to simply telling me to do everything through Oura. Selfless, like a proper advisor should be. It also charged super fast. I've only taken it off for showers and that has been more than enough to keep it consistently above 50%. The other thing I liked over the Whoop is that the app is very simple and hands off. The whoop was very hands on and complicated. It felt like work to under how my body was doing, whereas Oura just gives it to you straight and doesn't ask much of you, which is much prefer. It's only been a few weeks, but I'm a big fan so far. ... show more
Reviewed in the United States on December 13, 2024 by Dylan Martin Dylan Martin

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