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

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

  • Front. Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Black.
  • Alt View 11. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 8 - 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 8 - Black.
  • Alt View 16. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 8 - Black.
  • Alt View 17. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 8 - Black.
  • Alt View 18. Oura - Oura Ring 4 - Smart Ring - Size Before You Buy with Oura Ring 4 Sizing Kit - Size 8 - 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
  • 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 - Product Overview video 0 minutes 39 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 8 - Black - (2024)

Model:
JZ90-54144-08
SKU:
6595484
Highly rated by customers for:
$244.00
Save $105
The comparable value is $349.00

Customer reviews

Rating 4.7 out of 5 stars with 4025 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 160 Showing 3,181-3,200 of 4,024 reviews
  • Pros mentioned:
    Overall performance

    Excellent choice for ultimate health review!

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

    Perfect fit and provides a little more than my Apple Watch.

    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

  • Oura ring generation 4

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

    This is my second oura ring, I lost my first one but liked it so much I decided to repurchase the item.

    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

  • obsessed

    |
    |
    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    love it, pretty spot on with readings always checking it

    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

  • Scuffs easy

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

    Love the features. But to pay extra for the rose gold and it scruff and lose its color sucks.

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

    I would recommend this to a friend

  • Happy with putchase

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

    Does what I expected. I’m glad I bought it. Provides value information.

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Stealth - (2024)

    I would recommend this to a friend

  • Oura ring 4

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

    Excelent product! It helps you to know your body and health better.

    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

  • Good tools

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

    Wife loves it. A wonderful tool for a healthier journey

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Silver - (2024)

    I would recommend this to a friend

  • The best investment for my health.

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

    I love everything the ring has to offer! Its so nice and comfortable ti wear!

    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

  • Oura 4

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

    This is a great way for you to know what’s going on with ya body . Amazing i love 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:
    Overall performance

    A Couple Marks

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

    Ring scuffs easily. Other than that, no issues. Excellent purchase.

    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

  • Health Monitor

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

    Oura ring provides almost accurate data. It’s very helpful in tracking sleep and other important health information like Heart rate, Oxygen level etc.

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

    I would recommend this to a friend

  • Great product

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love it. Tracks my period and sleep and activity in one

    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

  • The best for less

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

    BestBuy is the best great prices good quality items

    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

  • Great health and sleep info.

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

    Gift for my wife. She wears constantly and really enjoys it.

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

    I would recommend this to a friend

  • Amazing Oura!!

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

    I’ve been using Oura system Gen 1 and love the data and detail I receive. I much prefer the ring vs a watch or strap and have found it much more reliable. Oura has helped my dive into my metrics and understand small shifts and the impact it has on my health.

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

    I would recommend this to a friend

  • Christmas gift OURA RING

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

    I gave the Oura ring to my sister, for Christmas ( early ) she absolutely loves it

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Stealth - (2024)

    I would recommend this to a friend

  • Present for me

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

    I love getting information on my health and sleep patterns daily.

    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
  • Pros mentioned:
    Overall performance

    My best

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

    Very good very best for all my family and i do recommend

    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

  • Great product

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

    Loving it . I like the various health insights that it gives you

    This review is from Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Stealth - (2024)

    I would recommend this to a friend

  • Oura ring 4

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

    I like the ring over a watch just wish it had a tracking noise you could find it with.

    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
Page 160, Showing 3,181-3,200 of 4,024 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.