Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 5 - Black.
  • Alt View 11. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 5 - Black.
  • Sure, here is the corrected and grouped text: --- **Size Before You Buy Oura Ring 4** 1. **Purchase the Oura Ring 4 Sizing Kit** 2. **Purchase your Oura Ring 4 after learning your size** 3. **New Oura Members get one month free, then it's $5.99/mo.** --- **Receive a $10 Best Buy gift card to use towards your Oura Ring 4 with purchase of sizing kit** ---
  • Track it all with Oura Membership - Sleep - Activity - Readiness - Stress - Heart Health - Women's Health 9:41 OURA Readiness: 88 Sleep: 84 Activity: 91 Cycle day: 6 Heart rate: 88 Go get 'em! A great night's sleep can boost your readiness. If there are any challenging tasks on your to-do list, today could be the day to tackle them! Learn more Sleep: GOOD New Oura Members get one month free, then it's $5.99/mo.
  • Incredible accuracy powered by Smart Sensing Get a holistic view of your health My Health NEEDS CARE THRIVING Rising heart health, with a dip in stress management Comfortable for 24/7 wear Recessed sensors you can barely feel Fully Titanium Up to 8 day battery life Water resistant up to 100m
  • Alt View 15. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 5 - Black.
  • Alt View 16. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 5 - Black.
  • Alt View 17. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 5 - Black.
  • Alt View 18. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 5 - Black.
  • URA 4 Oura Ring 4 Gifting & Sizing Kit for Oura Ring 4. Sold separately: SKU 6600289.
  • Oura’s Most Accurate Health Data Yet on the Oura Ring 4 video 0 minutes 49 seconds
  • Enhance Your Oura Ring 4 Experience with the Oura Membership video 0 minutes 55 seconds
  • How to Get Sized for the Oura Ring 4 video 0 minutes 59 seconds
  • Unboxing the Oura Ring 4 video 0 minutes 46 seconds
  • Inside the Insights with Oura's Jason Russell video 2 minutes 46 seconds
  • Expert Review by Will Armijo for Oura Ring 4 video 1 minutes 08 seconds
  • Oura Ring 4 Black - 360 View video 0 minutes 06 seconds

Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 5 - Black - (2024)

Model:
JZ90-54144-05
SKU:
6595487
Highly rated by customers for:
$244.00
Save $105
The comparable value is $349.00
Deal ends in 7:16:42

Customer reviews

Rating 4.7 out of 5 stars with 4041 reviews

Rating Filter

Rating by feature

  • Battery Life

    Rating 4.7 out of 5 stars

  • Durability

    Rating 4.6 out of 5 stars

  • Comfort

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

93%would recommend to a friend

Customers are saying

Customers regard the product highly for its excellent sleep tracking capabilities, overall performance as a self-care smart device, and comfortable, lightweight design. Its great initial battery life and data accuracy are also frequently praised. However, some customers have noted concerns regarding the device's size and its scratch resistance. There are also occasional reports of connectivity issues and a decline in battery life after about a year of use.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 121 Showing 2,401-2,420 of 4,041 reviews

  • Get the ring!!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love love love this ring! Also, loved the experience of going to Best Buy and finding the ring, the right size, the sweet employee that helped me get the ring made the experience 100 times better.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Silver - (2024)

    I would recommend this to a friend

  • Great Product.

    |
    |
    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Oura ring has a good hardware and great software. Might benefit from some sort of tracker. I keep misplacing mine.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Nice gift

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought it for my wife as a gift and she loves it!.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Gold - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Sleep tracking

    Love! Highly recommend

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love my ring! It tracks so much more than just sleep and steps. I rely on it for my daily routine and reminder to move and stay active.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Sleep tracking

    Worth it!!!

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I absolutely love this ring. It has drastically helped with my hypochondria and medical anxiety.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Amazing little device.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing ring! The biometrics are the ones that i needed. Be sure to do the sizing first. Battery life is really great 5-6 days for me.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 13 - Stealth - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Just buy it!

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works amazing! Wife loves it and talks about it everyday! Has not takin it off.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Gold - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Sleep tracking

    Love Ring

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very nice ring! Works well and well made. Keeps accurate track of steps and activities.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Oura Ring- big hit

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    A gift for my wife- she had been wanting for a while- she loves it.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Sleep tracking

    Great buy

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I LOVE the ability to track my sleep. And if I forget to set my apple watch for a workout, I can get it from the app!

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Oura - Ring 4

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Omg. I love my Oura Ring it does everything it says. I would recommend this to anyone who is looking to buy.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Oura Ring 4

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This ring has been a life changer for me!! I would recommend this ring to anyone!! The battery life and durability of this ring is amazing. Highly recommend!!

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Black - (2024)

    I would recommend this to a friend

  • It does what it says it does

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I like that I get to monitor my body and how to best support it in this busy world we live in today.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Gold - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great stuff

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing works better then expected!!! Would definitely recommend

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 13 - Stealth - (2024)

    I would recommend this to a friend

  • GREAT RING

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love the information the ring gives you. fits perfect too!

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Silver - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Best fitness tracker

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    One of the best fitness trackers that you can use every day, everywhere.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Gold - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Helps me understand my bodys limits and I understand how important my sleep is. I changed my whole lifestyle.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Black - (2024)

    I would recommend this to a friend

  • Get a Oura ring!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product so far!!!It's already giving me information on my sleep and gathering info on my overall health. It takes a few weeks to gather all of my info for even more accurate info and I am so excited about making 2026 my healthiest year to date!

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6 - Stealth - (2024)

    I would recommend this to a friend

  • Christmas gift

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It was a gift but my partner really loves it. Learning all of the different things it shows regarding your health has been great. She has the different silicone cover colors to change in and out with her outfit.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Stealth - (2024)

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance
    Best Buy Employee

    Great Product, Great results.

    |
    Best Buy Employee
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    [Employee of bestbuy] Overall, the tracking of all my fitness goals and my key health points are bundled up in a package more convenient to me than having to wear a watch constantly. Great device simple sleek cant go wrong.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Black - (2024)

    I would recommend this to a friend
Page 121, Showing 2,401-2,420 of 4,041 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.