Oura Ring Gen3 Horizon - Gold - Size 8 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life
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This item is eligible for return within 30 days of receipt
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:
Only 2 left in stock, order soon!
Arrives
Wednesday, Jul 22
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Style: Horizon
Color: Gold
Size: 8
Features
- SIZE BEFORE YOU BUY – Size with Gen3 Sizing Kit prior to purchasing Oura Ring Gen3 (different sizing from Oura Ring 4). For additional details, see “From the brand” section below.
- THE REVOLUTIONARY SMART RING - Track your sleep, activity, stress, heart rate and more with the Oura Membership. First month included for new members, then is 5.99/mo. Register for Oura Membership on the Oura App. Oura Membership is not sold on Amazon
- MORE ACCURATE BY DESIGN - Your finger provides the most accurate pulse reading, making your health data and insights more personal than ever. Oura Ring’s research grade sensors monitor over 20 biometrics with precision
- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, and additional chargers
Description
Oura is the creator of the revolutionary smart ring— Oura Ring Gen3 — and the Oura App, a world-class personal health platform. Together, the Oura Ring Gen3 and Oura App work hand-in-hand to provide members with accurate and personalized daily health data, insights, and guidance. Oura Ring Gen3 is sleek, accurate, and comfortable — it tracks your sleep, activity, and recovery and so much more with advanced sensor technology and up to 7 days battery life. The Oura Membership is always improving with new features and product updates that make tracking your health more personal than ever. First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Register for Oura Membership on the Oura App. Oura Membership is not sold on Amazon. Oura Ring Gen3 is HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, and additional chargers. IMPORTANT: Size yourself with the Oura Ring Gen3 Sizing Kit before you buy — Oura Ring Gen3 is not US standard sizing, and finding the right size will result in the best experience possible. With a purchase of the Gen3 sizing kit on Amazon, a 10 credit will automatically be applied to your Oura Ring Gen3 or Oura Ring Gen3 Charger at checkout (terms and conditions apply).
Product Dimensions: 0.91 x 0.91 x 0.31 inches
Item Weight: 8 ounces
ASIN: B0CSRH4K16
Item model number: JZ90-51383-08
Batteries: 1 Lithium Ion batteries required. (included)
Customer Reviews: 4.2 4.2 out of 5 stars (2,615) 4.2 out of 5 stars
Best Sellers Rank: #8,390 in Electronics (See Top 100 in Electronics) #29 in Smart Rings
Other display features: Wireless
Color: Gold
Whats in the box: Charger, Information Booklet, Oura Ring, Quick Start Guide, USB Cable
Department: unisex-adult
Manufacturer: Oura
Date First Available: January 19, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Jul 22
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I’ve had the Oura ring for a month now and I love it so much! I had wanted this ring since it first came out but could never afford it. Now that you can use your FSA/HSA, it is possible. Since I used mine, I went with my favorite color rose gold. The color itself is gorgeous but not a true rose gold. It’s more of a true gold. Doesn’t matter because it’s beautiful and so functional. I look forward to waking up and checking my stats on the app. It is so accurate too! I thought I was getting a bit sick one day and it told me to take it easy so it picked up on the changes within my body. The sleep tracking is what I mainly got the ring for. I have trouble tossing and turning all night and this ring picks up on my sleep cycles. It will give suggestions of when you should go to sleep to get a better night’s rest. It is pretty comfortable to sleep with as well. Doesn’t bother me at all. Choosing the right size of ring is very important. Since our fingers do tend to swell in our sleep and with the weather. I recommend sizing up. I usually wear a size 8 but with the sizing kit, I found I had to size up to a 9. Even when my finger has swelled, it’s not uncomfortable at least for me. I have seen a lot of people being put off on the monthly subscription. Although it would be nice not to have to pay for one, I don’t mind it. As far as the work out option, I haven’t gotten a chance to test it. I do feel it needs better options to choose from with the workout options they have. If it were more like the options on my Apple Watch, it would make it even better. I also feel the period tracking could be better. It’s very basic. Just lets you choose a start date and your flow. This is what I wish Oura could put more effort into tweaking on the app. Its period predictability is pretty spot on. But why should we have to use a separate app if we want to get a more detailed breakdown of our menstrual cycle? I know there are other competitors with more reasonable pricing but Oura really is the way to go. I was able to easily put in my order here and got it the next day! Don’t order through the Oura site though. I had an order on their site that was taking forever to get any updates on my order and as it turns out, they were so backed up because they were busy fulfilling their Amazon contract. So just cancelled with them and ordered here and it worked out. If you’re debating on getting one, just do it!
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Reviewed in the United States on April 6, 2024 Reviewed in the United States on April 6, 2024 by Griselda Cordero
Style: Horizon
Color: Silver
Size: 8
I want to start out by saying that this in no way is a fitness tracker, if you are into fitness in any way and have an Apple Watch continue to use your Apple Watch. If you are curious about your sleep, stress, your period cycle I would say this is a good purchase, and get the ring sizing kit. Also make sure you check with your insurance provider — they might just cover this. 1. Sleep- this really goes into detail about how much lite, deep, and REM sleep, this also calculates how long it takes you to fall asleep, your movements throughout the night, a part of this calculates your readiness (will talk about that at the end) 2. Live Heart Rate - this along with the “daytime stress feature (will do into that on 3), you can actually monitor your heart rate and do a “live” heart rate and actually feel the beats per minute, it calculates your HR in 30 minute increments. This will measure your HR at night (and it kinda calls you out if you have an elevated HR from drinking alcohol) 3. Daytime stress - the app/ ring is able to calculate your HR based on stress (this will take a couple of weeks to figure out). It tells me when I’m in relaxed, engaged and stress stage, and the restored stage (how long it will take you to recover from being stressed) this has really been helpful for me especially since working from home. This plays into your Rediness score. 4. Cycle Insights / Natural cycle- Ladies this one is for you if you are looking to come off hormonal birth control and/or looking to start a family or if you’re honestly just curious. I will say the more data that you provide the app on your last 6 periods the better it has predicting (but no worries if you don’t know it) will talk about the natural cycles app in a few. This will take your body temperature every day and create a graph, when you download the natural cycles app (which btw pairs wonderfully with the Oura ring) every morning you will open up the Oura ring app and allow everything to sync then it will transfer that data to your natural cycles app. There you will have Green Day’s ( your safe days for s*x), and red days when it’s not safe (unless looking to start a family I’m sure yours will be very different from mine). This will predict days of ovulation based on your body temp. And your est. next cycle. You will then fill out this form it will ask you if you’ve had s*x, bleeding (for period), LH test, ovulation symptoms and your overall “how are you feeling”. The more information you give the app the better. 5. Your Readiness Score - basically everything I talked about sleep, HR, temperature, “activity” even though I don’t use it. I put my Apple Watch information into it” your stress, this calculates everything and gives you a readiness score to take on your day. It may give you advice to relax, call you out on your drinking “hey your HR was elevated did you consume alcohol or have a late light snack” sometimes it can tell you that you might be coming down with something, or that you can take the day on. I will say there are CONS— it’s a wellness ring, not a fitness ring. The app…… it’s $5.99 a month… for a ring that you pay $350 based on the ring and finish. Kind of annoying. This does scuff pretty easy (so if you wear this while working out get a ring protector). However the Pro’s outweigh the cons…. I’m able to learn a lot about my sleep I’ve got some PTSD/ insomnia from the military. I’ve been able to learn a lot about my stress and period tracking. I think this was very much worth the purchase (I did hold off for a year).
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Reviewed in the United States on April 8, 2024 Reviewed in the United States on April 8, 2024 by Cierra Jule
I have been debating getting an Oura Ring for a long time and I’m so glad I did! Also THE SELLER IS AMAZING! 5 stars! Thank you so much!
Reviewed in the United States on June 15, 2026 by Courtney Guillory
I've had an Oura ring for years now and it has been a great addition to my health routine. It mastered the basics of health tracking, spoke to Apple health to pull data in from workouts I didn't wear my ring for (ie working out with a heart rate strap) and used that data for its tracking- something others like Whoop won't do. I had a free account because of how long I've been a user and I decided to upgrade the ring to continue to support the company and because of the upgraded internals. Unfortunately they didn't tell me that buying the $400+ ring wasn't enough money for them, and they now were going to charge me a monthly fee to see the results of what the $400+ ring is measuring. Not only that but the new measurements I now have to pay for no longer talk to Apple or Polar for heart rate data during workouts, forcing you to wear the ring during workouts which is not comfortable at all. I wore it for one cycling workout and it moved too much due to sweat that even when I wore it, it couldn't get an accurate heart rate graph for me. Mind you, a cycling workout would be the least your hand is moving during a workout because it's holding the bike handle - I have no idea how it would get good data during a workout when you're using your hand to hold and move weights. Overall, great product, but the company has significantly shifted away from being concerned about making a great product that aids your life and towards one that is only concerned about nickel and diming you with a monthly subscription to make them the most money possible while trying to lock you into using their product. There's nothing in this ring that any fitness watch doesn't have, and most of them do more and without the monthly cost on top of the hundreds of dollars you have to spend on a ring that does one thing. I've moved away from this, I've advised my athletes to move away from this (I work in pro hockey), and I'd advise you to move away from this before you even get in the mix of it. There are better alternatives out there for the same amount of money that do a whole lot more, less the monthly fee.
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Reviewed in the United States on July 23, 2024 by Pat Dugan
I've had this for a while now and wanted to wait to see what it does before I wrote a review. I WAS a fitbit fanatic, until now! I found the sizing kit to be accurate, the ring itself is amazing! It is intuitive once it gets to know your routine, predicts when you are getting sick, offers small reads to help with some wonky results, I love this thing. I have learned to stay active, better manage my stress, getting up early to start moving more than before, going to bed on time, and so much more! It all helps to contribute to a healthier me... I wear it in the shower, when I go swimming, no issues with being in water. UPDATE 11/2025!!! After 1 year it started to have issues, as soon as my subscription payment went in and the Gen 4 came out, this ring stopped working all together. No help from the AI assistant, how convenient for them. I really enjoyed it when it worked, but I will not be buying another Oura product. Last Update!!! After a while chatting with the AI assistant I was able to connect to an actual agent. We chatted for a while about my experience and they are doing the right thing!!! Just took a while to figure out how to actually get to a live person.
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Reviewed in the United States on June 11, 2025 by LI Girl
I had an Apple Watch Series 8 for a while and I liked it but after wearing it for a while it would start to get uncomfortable and become a sensory problem for me. I have autism so I'm super picky about wearing things. Strangely it also started to leave burn marks on my arm. I still wanted be able to track my sleep because I'm a chaotic sleeper and have other important information about how my body is doing. I was a little apprehensive about the Oura at first because I can't even wear normal rings so I wasn't sure I'd be able to wear this one. Now I can say the only time I've taken it off in the last 6 months is when I need to charge it. It's so comfortable I forget it's there and my finger even feels weird when I take it off. There is a subscription fee for the app but I don't mind paying it. I was paying for multiple subscriptions for my Apple watch to get all the data I needed but this is just one small subscription. I do still wear my Apple Watch for workouts (and even during that short time it's started burning my skin) because Oura isn't the best at that but it is still the best I've found for sleep and general wellness.
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Reviewed in the United States on October 31, 2024 by Eepy
Love my Oura ring!!! I’ve had it for a couple years now & I will never go back. I use it mostly for tracking cycles but the sleep studies has helped me learn so much about my health and get better sleep each night! So worth it
Reviewed in the United States on June 15, 2026 by Brooklynn
I wanted to get better at tracking my sleep. I was sleeping 3 to 5 hours a day, no issues with it, except what all the doctors and health reports were telling me. So I decided to investigate myself. The ring is beautiful, fits well, and the titanium is light. I did scratch it a bit when I grab barbells at the gym, so I’d advise to not do that. Everything else, it’s amazing. Four days of battery life per charge, waterproof, and deeply discreet. You will see quite a bit of light in a totally dark space, but that part wasn’t so challenging for me. You will want to pay for the monthly subscription if you want the ring to do anything meaningful. You don’t have to pay, but the basic insights they give you without paying are useless. But the great thing is that you can pay for it with HSA dollars so pre-tax added to your health cost. The insights it had given me have changed the way I sleep and work out. There are lots of reading and blogs, deep dives into your data. Tracking all these metrics overtime is a great way to see what the daily impacts of what you do have on your body. And it’s great to bring to my doctors when I have issues to be able to show them the data directly. But the most important part was that once you see the data for yourself you start changing things without being prompted. Just one example, I have stopped drinking in the evenings because I realize that whenever I drank a beer close to bed time, I had terrible sleep. I was restless, defined as lots of mini wake ups during sleep, and that restless was imperceptible to me (I thought I slept soundly through the night). A great buy if you want to understand how your body responds to what you put it through.
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Reviewed in the United States on October 25, 2024 by keith Kirkland