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Oura Ring 4 - 2 of 4Oura Ring 4 - 3 of 4Oura Ring 4 - 4 of 4
Oura Ring 4 - 1 of 4

Oura Ring 4 Ceramic Cloud - Size 9

$399.00 was $499.00
New lower price save $100.00 (20% reduction)

ColorCloud
Size9

In Stock

Eligible for registries and wish lists

At a glance

About this item

Highlights

  • SIZE BEFORE YOU BUY - Size yourself with the Oura Ring 4 Sizing Kit before you purchasing Oura Ring 4.
  • ACCURACY WITH SMART SENSING - Oura Ring 4 is powered by Smart Sensing, which adapts to your unique finger and activity — delivering accurate, continuous data, day and night.
  • HOLISTIC HEALTH TRACKING — Oura provides over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics.
  • DESIGNED FOR 24/7 WEAR—Oura Ring 4‘s updated design is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.
  • 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.
  • FSA/ HSA ELIGIBLE - We can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping.
  • MEMBERSHIP IMPROVES WITH YOU - First month of membership is on us with your purchase, $5.99/mo afterwards (or $69.99 annually). Enjoy access to continuous feature and app updates within the award-winning Oura App.
  • 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.

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 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 sizes are different from standard ring sizes and Oura Ring Gen3 sizes. It’s important to find your size before you purchase Oura Ring 4. Find your size by purchasing an Oura Ring 4 Sizing Kit on Target.com.
1. Purchase the Oura Ring 4 Sizing Kit.
2. Learn your Oura Ring 4 size by wearing a sizing ring for at least 24 hours.
3. Purchase your Oura Ring 4 online or in a Target store near you.

Top Features
•SLEEP - Get the best sleep of your life, and then some. Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel. Oura provides insights into your sleep staging throughout the night, blood oxygen levels, HRV, and nighttime heart rate.
•ACTIVITY - Whether you're running a marathon or running errands, Oura tracks your daily activity, steps, calories burned, and workouts while helping you strike a balance between movement and recovery.
•READINESS - Know when to push it and when to take it easy with the Oura Readiness Score. It takes into consideration over 30 different body signals — including temperature, heart rate, HRV, and sleep — to tell you how ready you are for the day ahead.
•STRESS - Oura will help you identify signs of stress and understand how well your body handles it. You'll know when you need to incorporate more self-care practices and how to recover from longer-term stressors.
•WOMEN’S HEALTH - Your cycle impacts your mood, sleep, activity, and more, every day. Oura helps you understand how your cycle affects your body, so you can make better, informed decisions about your holistic health. Track the changes in your body throughout your cycle and predict your period up to 30 days in advance.
•HEART HEALTH - From monitoring your daily heart rate and HRV to discovering your Cardiovascular Age, and Cardio Capacity, Oura helps you take care of one of key indicators of your overall health — your heart.
•ILLNESS DETECTION - Oura monitors shifts in your temperature and heart rate so you can tell when you may be getting sick sooner.

Looking for the best health tracker? Whether you’re searching for a sleep ring or fitness ring, Oura Ring is for you— this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress, in style.
Weight: 3.6 Grams
Water Resistance: Water-Resistant
Connection Type: No Wired Connection Ports
Includes: Charging/Docking Station, Charging Cable
Operating System Compatibility: Apple iOS, Android
Wireless Technology: Bluetooth
Activities tracked: Running, Golf, Hiking, Walking, Basketball, Cycling, Yoga
Maximum Battery Charge Life: 8 Days
Metrics Measured: Pulse Wave Velocity (PWV), Sleep Duration, Heart Rate, Menstruation, Stress Level, Daily Distance, Body Temperature, Blood Oxygen Level (SpO2)
Material: Titanium, Epoxy
Battery: 1 Non-Universal Lithium, Required, Non-Removable
Warranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869
Street Date: October 1, 2025
TCIN: 94804790
UPC: 6430060154803
Item Number (DPCI): 057-03-8131
Origin: Imported
If the item details aren’t accurate or complete, we want to know about it.

Shipping details

Estimated ship dimensions: 4.5 inches length x 4.5 inches width x 1.3 inches height
Estimated ship weight: 0.44 pounds
We regret that this item cannot be shipped to PO Boxes.
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii

Return details

This item must be returned to any Target store.
This item must be returned within 30 days of the date it was purchased in store, delivered to the guest, delivered by a Shipt shopper, or picked up by the guest.
See the return policy for complete information.

Q: Why is this warning label on the ring Info? Is the ring safe to use? >>> WARNING: This product may contain chemicals known to the State of California to cause birth defects or other reproductive harm.

submitted by Abi - 1 year ago
  • A: The State of California places this label on just about everything you purchase.

    submitted byCafeChic - 1 year ago
  • A: It says the State of California because it is the only state out of the 50 states that requires to let consumers know there are cancer causing materials or chemicals in the product. It doesn’t make it less important. It should be legal in all states to disclose this important information. Just because many products say this nowadays doesn’t make it less important. It just means that most of the products that we buy today have cancer, causing chemicals and all of that adds up. This ring is a fad with cool features, but is it worth being exposed on a daily basis?

    submitted byDisney Lover Mom - 1 year ago
  • A: Everything that comes from California has this warning on it.

    submitted byJackie - 1 year ago
  • A: Hi Abi, thanks for reaching out about Oura Ring 4. While the manufacturer does not list the exact materials, the Oura Ring 4 warning likely indicates that it may contain chemicals, such as those in microchips or epoxy, that are known to the state of California to cause birth defects or other reproductive harm. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byMatt - 1 year ago
    Target expert support

Q: Does the charger come with it?

submitted by Rviv - 2 years ago
  • A: The 4 ring comes with a charging station and USB-C to USB-C cord, but requires a power brick or laptop to charge.

    submitted byJesus loves you - 2 years ago
  • A: Hi Rviv, thanks for reaching out about Oura Ring 4 Black - Size 4 Yes. It comes with a docking station/charging base. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byJustin - 2 years ago
    Target expert support
  • A: Yes, it includes the charging station and charging station. You would need your own wall plug if needed. If you need a 2nd charger, you can purchase that separately.

    submitted byCasey B - 2 years ago
  • A: Whether the Oura app currently supports a full Chinese interface?

    submitted byM - 7 months ago

Q: In all of the videos, I see it on the index finger does anyone own this and wear on the ring finger ? Does wearing it on your ring finger affect the accuracy?

submitted by ShannonSz - 1 year ago
  • A: I wear mine in the ring finger and it tracks everything perfectly.

    submitted byT - 7 months ago
  • A: I know someone who wears hers on her ring finger.

    submitted byCAnderson45 - 11 months ago
  • A: Hi ShannonSz, thanks for reaching out about Oura Ring 4 To better understand your individual needs, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byMike - 1 year ago
    Target expert support

Q: Do you get a sizing chart with purchase?

submitted by Kimberley - 2 years ago
  • A: I received the sizing before ordering. Once the size was determined I ordered the ring. I love mine it works great! Only need to charge every few days

    submitted byTmc - 1 year ago
  • A: Hi Kimberley, thanks for reaching out about Oura Ring 4 Included in the box with your purchase is the Oura Ring 4, its Charger, and USB-C Cable. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byJustin - 2 years ago
    Target expert support

Q: What is the montly subscription fee on the Oura Ring 4?

submitted by Ed - 5 months ago
  • A: If you have the Amex Platinum, the annual subcription is refunded.

    submitted byKlloyd - 4 months ago
  • A: Hi, thanks for reaching out about Oura Ring 4 The monthly subscription fee for the Oura Ring 4 is $5.99 USD, with new members typically getting the first month free, and an annual option available for $69.99 USD, unlocking detailed health insights beyond the basic Sleep, Activity, and Readiness scores. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byJustin - 5 months ago
    Target expert support

Q: I got the ring kit and the 9 fits during the day but snug when I get up. 10 fits too but can easily be taken off. I’m just worried about summer time. Do I size up. I have heard that the ring is bigger than the ring kit.

submitted by Sara - 1 year ago
  • A: Don’t waste your time calling. No one can answer your general questions unless you are calling about a protection plan or extended warranty.

    submitted byFrustrated - 6 months ago
  • A: Hi Sara, thanks for reaching out about Oura Ring 4 To better understand your individual needs, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byMike - 1 year ago
    Target expert support

Q: I am purchasing this as a gift for my daughter. If her normal ring size is a 6, what size would you recommend in the Oura 4?

submitted by Jen - 2 years ago
  • A: My ring size is a 7 but my Oura ring size is a 8 since I wear it on the finger next to my thumb, my index.

    submitted byYJ - 1 year ago
  • A: Hi Jen, thanks for reaching out about Oura Ring 4. Oura Provids a Ring sizing kit that helps ensure you get the correct ring size. https://www.target.com/pl/581562211 If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byMatt - 2 years ago
    Target expert support

Q: Does this track oxygen level?

submitted by Flirtygirl1 - 2 years ago
  • A: Hi Flirtygirl1, thanks for reaching out about Oura Ring 4 Yes, the Oura Ring 4 can track blood oxygen levels (SpO2) If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byJustin - 2 years ago
    Target expert support
  • A: Not exactly if you are looking for immediate Sp02 levels like an oximeter. I just checked my app and it shows that my oxygen is measured during my sleep only: “Average blood oxygen and breathing regularity are analyzed by looking at your blood oxygen levels with Blood Oxygen Sensing. Blood oxygen measurements are located in the Sleep tab and become available after your next sleep period of more than 3 hours.” I went to the Sleep tab and it shows an Average Oxygen Saturation %, ex. 97%. If you’re looking for direct Sp02 readings, I would rely on an oximeter and not the Oura ring.

    submitted byCasey B - 2 years ago

Q: Can you keep using it without having to pay for another subscription? Not paying $6 a month to do this when my Apple Watch does it for free. Seems like a waste of money.

submitted by Vintage girl - 2 years ago
  • A: I got rid of my Apple Watch and switched to Oura (Gen 3) and I’ve had it for 3 years now. Never looked back. It gives me so much info about my heart, how I’m sleeping, and my period cycle which is way more than the Health app through Apple and the Fitbit I tried. I have compared the Apple vs Oura data and Oura has been 100% more reliable. Very helpful since I have dysautonomia and autoimmune diseases that I need to have data readily available. Oura also syncs up with Apple health but provides more info. Anyways, I’m saying the $5.99/mo is worth it. You can also have the free version with less info provided to you.

    submitted byCasey B - 2 years ago
  • A: Hi Vintage girl, thanks for reaching out about the Oura Ring 4. Yes, you can use an Oura Ring 4 without a subscription, but you'll only have access to limited data: Daily scores: You can see your daily scores for sleep, activity, and readiness. Explore content: You can access interactive and educational content. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byRena - 2 years ago
    Target expert support

Q: Can you wear this while snorkeling or diving?

submitted by Pattaya Papa - 2 years ago
  • A: YES if you're diving "recreationally". Like off a diving board, a cliff, or just into the ocean or a pool. Any diving that won't submerge you deeper than 330 feet is fine. Scuba diving is a NO.

    submitted byTikiTaviRicky - 2 years ago
  • A: Hi Pattaya Papa, thanks for reaching out about the Oura Ring 4. Yes, you can wear an Oura Ring while snorkeling, but Oura doesn't recommend using it for scuba diving: Water resistance: The Oura Ring is water resistant up to 100 meters (330 feet), so you can wear it while swimming, showering, and snorkeling. Submersion: Oura doesn't recommend keeping the ring submerged for more than 12 hours. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST.

    submitted byRena - 2 years ago
    Target expert support

Additional product information and recommendations

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Guests are saying

The Oura Ring has garnered mixed feedback from guests, with many praising its accuracy in tracking health metrics like sleep and body temperature. However, concerns about its battery life and durability have been prevalent, with several guests reporting rapid deterioration in battery performance and issues with connectivity. Despite these drawbacks, some guests appreciate the comfort and design of the ring, making it a potential choice for those focused on health monitoring.
    Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
    3.2 out of 5 stars with 444 reviews
    28% would recommend
    125 recommendations

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