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OURA

OURA Ring 5 - Stealth - Size 9 - Smart Ring Health Tracker - Sleep, Activity, Women's Health, AI Advisor, 1 Week Battery Life, App, Android & iOS Compatible

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$499.00

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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Oct 30
Order within 18 hours and 16 minutes

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At a glance

Condition
New
Style
Ring
Size
9
Color
Stealth
Model
JZ90-61620-09
Storage
32 MB
Dimensions
0.24 x 0.24 x 0.09 in
Warranty
2 Year Limited Manufacturer
Works with
Smartphone

Features 7

  • THE WORLDS SMALLEST SMART RING - 40% smaller than the previous generation, Oura Ring 5 is thinner, lighter and smaller than ever. The updated all-titanium design is more scratch-resistant and comfortable than ever
  • EVERYDAY HEALTH SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health and womens health metrics. Oura seamlessly integrates with over 40 apps including Natural Cycles, Strava, & more
  • OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring
  • REBUILT FOR GREATER ACCURACY - Oura Ring 5 has been re-engineered and reconfigured, providing more precise personal health data. Larger, smarter sensors bring research-grade accuracyall in Ouras smallest form factor yet

Description

Introducing the world’s smallest smart ring: Oura Ring 5, built with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits seamlessly in with your life and your style. The updated all- titanium design is more scratch-resistant and comfortable than ever, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 1 week of battery life you can even forget it’s on. No more compromises when it comes to tracking your health. Oura Ring 5 is FSA/HSA Eligible: we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring 5 Sizing Kit before you buy. Oura Rings are not US standard sizing and other Oura Ring generations, and finding the right size will result in the best experience possible. With an Oura Ring 5 Sizing Kit purchase, an Amazon credit will automatically be applied to your Oura Ring 5 at checkout.

Specs 44

Operating System Oura OS
Memory Storage Capacity 32 MB
Special Feature Heart Rate Monitor, Sleep Tracking, SpO2 Monitoring, Temperature Sensing, Activity Tracking
Battery Capacity 10.5
Connectivity Technology Bluetooth
Wireless Communication Standard Bluetooth
Battery Cell Composition Lithium Polymer
GPS GPS Via Smartphone

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Oct 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.

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Top Amazon Reviews

It cuts like a normal ring and is the best health monitor
Style: Ring Size: 7 Color: Silver
Review Image by Hanny Barrios
Review Image by Hanny Barrios
Review Image by Hanny Barrios
I was looking for a way to measure my sleep and activity without having the discomfort of a smart watch on my wrist all night, taking into account that I already have an apple watch I wanted to follow my metrics and sometimes this one was a little sporty for more formal outings and this ring was the perfect solution. It's super light, you get used to the few hours. What I like the most is the precision with which it analyzes the rest; the application explains very clearly how your sleep influences the energy of the next day. The battery gives me perfectly for about 5 days and charges very quickly. A key point: I recommend using the size kit before ordering it, since the fingers swell a little at night, if you are indecisa between the tightest size and the one that fits you looser I recommend the tightest believe me this ring does not compare to the plastic of the kit and it will be perfect. It is very true to the size which surprised me my size corresponds to the same that I use for traditional rings. Although it requires a monthly subscription to see all the detailed data, I have met details specifically of my body that I didn't even know for me it has been totally worth it for the comfort and discretion it offers. Aesthetically it looks beautiful and goes with everything! I bought the silver because I usually use silver accessories and it has been the best decision, one thing that I don't like so much is that it scratches easily I am a full-time housewife and in household chores in less than a month I already had several scratches but they are not visible to the naked eye. I recommend it, I love it! 😁 ... show more
Reviewed in the United States on August 21, 2026 by Hanny Barrios
Oura ring 5 and 4
Style: Ring Size: 11 Color: Gold
Review Image by Art
I rarely leave reviews, but this product deserves one. I’ve been interested in the smart health ring category for a while, but I always assumed it wasn’t something I needed. I was wrong. I stopped tracking my sleep because wearing a device on my wrist at night was simply too uncomfortable. It would occasionally wake me up when I moved during sleep. Eventually, I decided to give a smart ring a try. I started with the Oura Ring 4. While I could still feel its presence during the day, it completely disappeared the moment I fell asleep. The sleep tracking seemed incredibly accurate. The ring knew the difference between simply lying still and actually being asleep. What surprised me even more was its ability to capture every single nap with precise timing, accurately detecting exactly when I fell asleep and woke up. For sleep tracking, the ring is simply perfect. Waking up with a clear understanding of how well I recovered the night before gives me genuine motivation to make better choices throughout the day, and that insight is invaluable. Plus, on days when I don’t feel like wearing a watch, I don’t have to. The ring completely covers my fitness tracking needs. It maps out exactly when my heart rate spikes throughout the day and night, making it incredibly easy to understand which activities place stress on my body and which have little impact. The real turning point happened a few days ago when I got seriously sick. The first thing I saw when opening the Oura app that morning was a warning that my body was under significant strain, along with an elevated body temperature reading. I felt absolutely terrible, and the ring knew it. It made the device feel less like a passive biometric tracker and more like a protective tool that warns you when something is wrong. Even now, when I feel almost completely recovered, the app still indicates minor signs of strain and suggests taking it easy. When I switched to the new Oura Ring 5, I was completely blown away. It practically disappeared on my finger. I should mention that choosing a slightly larger size made a huge difference. Because it isn’t squeezing my finger, it’s actually far less noticeable. I originally assumed the tighter the fit, the better, but I was wrong. The difference in weight and thickness compared to the Ring 4 is dramatic. Pictures online honestly don’t do it justice. I genuinely don’t notice it’s there anymore, whether it’s daytime or nighttime. I also love how quickly it warms up and blends with body temperature. The polished surface makes it significantly more comfortable than the plastic sizing kit rings. It was an incredibly smart decision for the company to focus on miniaturizing what was already a very successful product. On top of that, the redesigned gold finish finally looks like actual gold, and the technology now feels like a piece of jewelry rather than a gadget. Room for Improvement If I had two suggestions, the first would be the ability to manually trigger a heart rate or body temperature measurement on demand, either through a button press or a home screen widget. Even if these manual readings consumed slightly more battery, they would be highly appreciated by users who want immediate access to that information. Second, one of the best upgrades Oura could possibly introduce would be a smart alarm. Having the ring track your sleep cycles and trigger your phone alarm at the optimal moment within a designated wake-up window would make this device absolutely priceless. It’s definitely expensive, especially when you factor in the monthly subscription. However, if it fits your budget, I think you’re going to love it. ... show more
Reviewed in the United States on June 5, 2026 by Art
Worth the Hype
Style: Ring Size: 10 Color: Silver
Review Image by Laiz
I can honestly say the Oura Ring 5 exceeded my expectations. It’s one of those products that’s actually worth the hype. The design is beautiful and incredibly comfortable—I often forget I’m even wearing it. The battery life is excellent, the app is intuitive, and the insights go far beyond simple step counting. Sleep tracking has been incredibly detailed, and I love waking up to a complete picture of my recovery, readiness, heart rate, stress, and overall health. One feature that truly stands out is Pregnancy Insights. As someone using it throughout pregnancy, it’s been amazing to see how my body changes over time. Tracking trends like resting heart rate, body temperature, sleep quality, and recovery has given me a much better understanding of what my body is experiencing. Of course, it’s not a medical device, but it’s been an incredibly valuable wellness companion during this journey. I also appreciate how the recommendations feel personalized instead of generic. The ring has actually encouraged me to prioritize sleep and recovery, which has made a noticeable difference in how I feel day to day. If you’re on the fence because of the price, I’d say it’s an investment in your health that you’ll use every single day. For me, it’s easily become my favorite wearable, and I wouldn’t want to be without it. ... show more
Reviewed in the United States on August 7, 2026 by Laiz
Excellent for my needs
Style: Ring Size: 9 Color: Black
So far, I really love my ring. I use it every single day and night and it appears to be quite accurate. I wanted it to primarily track my sleep and stress but it does so much more than that. Every morning, I wake up and I'm excited to check out my insights so that I can see how well rested I truly am. I like that it tells you how fast you fall asleep and the different sleep cycles you go through. I also enjoy that it shows when you're stressed but it differentiates between post exertional stress and just regular stress. I feel like the battery life has been great so far. I charge it maybe once a week for like 25 minutes. I usually throw it on the charger when it goes below 40 percent and usually end up taking it off around 80 percent or so because I don't want to do anything without it. The step counter is definitely different than what my watch shows. It seems like it doesn't count all of my steps. My one issue is that there are no half sizes for the ring. It's a little loose on my ring finger but ever so slightly too snug for my pointer finger. A size up or down didn't help me unfortunately. ... show more
Reviewed in the United States on September 6, 2026 by Lynette
Just BUY it
Style: Ring Size: 6 Color: Silver
Review Image by Anilarinaga
Review Image by Anilarinaga
Review Image by Anilarinaga
So I basically paid over $400 for a little silver ring to tell me when I’m stressed, when I slept like crap, when I need to recover, and apparently that my heart is 8 YEARS YOUNGER than me 😂 Honestly, that alone made me feel like the purchase was worth it. I got the Oura Ring 5 in silver, size 6, and I really do love it. The silver is beautiful and looks like a regular piece of jewelry, which I like because I didn’t want anything bulky or super obvious. What surprised me the most is how much this little ring tracks. It tracks literally every little detail, sleep, heart rate, stress, recovery, activity, readiness, temperature trends, and so much more. I didn’t think I would care about half of this stuff until I started seeing my own data, and now I check the app every morning like I’m waiting for medical test results 😂 The sleep tracking is probably one of my favorite features. It has made me realize how much my sleep actually affects everything else. I also love the stress tracking because somehow this ring knows I’m stressed before I even admit that I’m stressed. Very disrespectful, but accurate lol. And then it told me my cardiovascular age was 8 years younger than my actual age?! Excuse me?? 😂 That made my entire day. I was walking around like okayyy healthy queen. The size 6 fits me well. Sometimes it feels a little snug when my fingers swell, but overall it’s comfortable and I barely notice it. I wear it basically all day, including in the shower, and the battery has been good so far. Is it expensive? YES. Is paying for a membership after spending that much on the ring slightly offensive? Also yes 😂 But I actually use it every single day, and it has made me much more aware of my sleep, stress, recovery, and overall health. If you’re nosy about your own body and want to know every little thing it’s doing, you’ll probably love this ring. I definitely do. ... show more
Reviewed in the United States on September 5, 2026 by Anilarinaga
Accurate, stylish and has remained scratch free for 3 weeks
Style: Ring Size: 7 Color: Silver
Update: still a good purchase and works well. However, if you are sensitive to light at night, it will wake you up lol. From time to time, red and green lights flash from the inside of the ring. It is bright at night. Especially if you happen to move your hand near your face, it’s like someone is pointing a flashlight at you. I bought this to track my sleep which was not great before, but now I have another thing disturbing my sleep. I still give it 5 stars because it is a good smart device, but that light is killing me. 😆 So far so good. I was worried that the shiny finish was going to be a magnet for scratches, but after a week of continuous use, it has held up very well. The features are fairly similar to my Apple Watch, but I only wear that while out. Having a longer battery life and being relatively comfortable to wear has allowed me to track things that I didn’t track before such as sleep. Also, the other morning I woke up feeling extra tired. When I looked at the app it said I was showing serious signs of strain and to rest. I felt exhausted all day so it was very accurate in sensing that something was off. It has taken some getting used to because I don’t wear much jewelry and I certainly do not wear any to sleep. I am very aware that it is on in the middle of the night and find myself switching it around. It really is not that much bigger than a regular band, but if you are not used to wearing rings, it might take some time to adjust. ... show more
Reviewed in the United States on July 28, 2026 by moi
Beautiful ring!!
Style: Ring Size: 7 Color: Silver
I love this ring! It is my first Oura ring so I can't compare it to other generation rings. So far I am loving it. It tracks things very well. My sleep, my stress levels, my activity, my steps. And much more importantly still learning about. I did have to exchange for a smaller size. So if you are in between sizes and you feel as if the bigger size is too loose when your cold or your finger aren't swollen, definitely go for the smaller size. You want it snug. It tracks really well when snug. So far the battery life is holding strong for only 5 days, can and will definitely go longer. I wouldn't recommend wearing it if you go to the gym and lift heavy weights. If you do, definitely get a cover for it. It is very comfortable, totally different from the sizer rings. For sure not a MUST have but it is a great addition to everyday life if you are wanting to track more things and start learning more about your body. ... show more
Reviewed in the United States on August 17, 2026 by Tiffany
Great tracking ring with unfortunate sizing
Style: Ring Size: 7 Color: Gold
I’m so pleased with the Oura ring. I used the Apple Watch for years, but this ring tops the watch in so many ways. It tracks more accurately and gives you much better results. And you can’t beat the battery life. The sizing is my only complaint. Oura does not offer half sizes, which I need. The 6 was too small when I was working out, sleeping or just hot, when the body naturally swells due to edema. Otherwise, it fit a couple of my fingers well. I had to get the 7, which at most times easily slides off my finger and turns often. I’m constantly checking the ring to ensure the sensors are where they should be. And it only fits my right index finger. It’s too big for all my other fingers. So, all-in-all, I’m thrilled with the Oura ring and glad I purchased it. ... show more
Reviewed in the United States on August 12, 2026 by Babs
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