Oura Ring Gen3 Horizon - Stealth - Size 13 - 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:
In Stock.
Arrives
Saturday, Jun 28
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Style: Horizon
Color: Stealth
Size: 13
Features
- MORE ACCURATE BY DESIGN - Your finger provides the most accurate pulse reading, making your health data and insights more personal than ever. Oura Rings 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
- EASY TO WEAR, EVERYWHERE - Every Oura Ring Gen3 is made of titanium: built to last, lighter than the average wedding band, non-allergenic, and water resistant. From a workout to a night out, Oura discreetly monitors your health with comfort and accuracy
- LOOKING FOR THE BEST HEALTH TRACKER? - Whether youre searching for a sleep ring or fitness ring, Oura Ring Gen3 is for you this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress - in style
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: 1.06 x 1.06 x 0.31 inches
Item Weight: 7.7 ounces
Item model number: JZ90-51385-13
Batteries: 1 Lithium Ion batteries required. (included)
Other display features: Wireless
Color: Stealth
Whats in the box: Oura Ring, Charger, USB Cable, Information Booklet, Quick Start Guide
Department: unisex-adult
Manufacturer: Oura
Country of Origin: Estonia
Date First Available: January 19, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jun 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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Sizing Kit
Color: White
Size: Sizing Kit
I was on the fence for a while, but decided to splurge and buy myself an Oura ring. I wish I bought it sooner! I've been an apple watch wearer for many years, but wanted more insights as I've been on a health and wellness journey. The ring was annoying at first, but now I hardly think about it or feel it. It's light weight and not obtrusively thick. I strongly recommend getting the sizing kit first and wearing the sizer for a while to get a feel for the ring. I chose to size it to fit my left pointer finger. The battery life is insane! I only have to charge it every few days. The sensors on the 3 don't hurt or feel weird or anything. I always wondered how legit this thing was, and if they could really tell what was going on but sure enough I wore it for a small inpatient procedure and my ring told me something was greatly stressing my body and I needed to take it easy! It's wild how it just knows! I also love learning about my sleep score and what effects it.
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Reviewed in the United States on June 23, 2025 by Katherine Kulikowski
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 by Cierra Jule Cierra Jule
I love this ring. I’ve only been having to charge it about once a week so the battery lasts. I’ve definitely dropped it a lot and nothing has stopped working so it’s fairly durable. It’s also waterproof and I’ve gone swimming with it multiple times without issue. It does get scratched easily if you don’t get the matte version but I feel like that’s to be expected of most jewelry like this. It’s very accurate in its data though and helpful in tracking sleep and monitoring heart rates. You do have to keep an oura subscription for it to work but it’s pretty cheap and worth the money.
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Reviewed in the United States on June 19, 2025 by Lauren You
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.
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Reviewed in the United States on June 11, 2025 by LI Girl
Style: Heritage
Color: Gold
Size: 9
I previously ordered a size 8 after using the ring sizer, however had to return it and order a size larger. I don’t know if it’s the sizer or the actual ring that is off. The 9 fits beautifully and I really love this ring. 4 stars because of the sizing issue, the ring gets 5 stars!
Reviewed in the United States on June 7, 2025 by c
Style: Heritage
Color: Silver
Size: 7
I love it! I use it everyday and have learned so much about my health. It works great with Natural Cycles non-hormonal birth control. Fit is perfect, I chose a size that fits on more than one finger so I can move it around because if not I think it traps to much moisture from washing hands, sweat, etc. when it’s left on the same finger. But 10/10 would recommend!
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Reviewed in the United States on June 23, 2025 by Bookworm Bookworm
I have had my ring now for 10 months. I wear it every day, have bought the oura and natural cycling app and this is my review. I have the rose gold one as it matched my wedding set, it does have scratches in it but nothing noticeable, and the rose gold hasn’t worn at all. The oura app is nice to see my sleep and stress but I don’t really work out so I don’t think I’ll get the app again. The natural cycling app is really nice. After giving birth I got it for natural birth control and I got my period 5 months pp. I’m now almost 9 months and it’s pretty accurate as far as symptoms it suggests, days and flow of period and it has helped me understand the different phases. The ring isn’t bulky, and after the first day you don’t notice it’s even there. I got it sized to my pointer finger in the summer, so in the winter when my fingers are smaller I can put it on my middle finger and it’s not loose at all. Highly recommend.
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Reviewed in the United States on May 18, 2025 by Lynzeller