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  • Front. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15 - Tide.
  • Size Before You Buy Oura Ring 4 Ceramic Oura Ring 4 Ceramic sizes are different than Gen3 and standard ring sizes
  • Sure, here is the corrected and grouped text: --- **Size Before You Buy Oura Ring 4 Ceramic** 1. **Purchase the Oura Ring 4 Sizing Kit** 2. **Purchase your Oura Ring 4 Ceramic 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 Oura Ring 4 Ceramic with purchase of sizing kit** ---
  • Track it all with Oura Membership - Sleep - Activity - Metabolic Health - Stress - Heart Health - Women's Health 9:41 OURA 88 Readiness 84 Sleep 91 Activity 6 Cycle day A great night's sleep can boost your readiness. If there are any challenges on your to-do list, today could be the day to tackle them! Go get 'em! 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 Comfortable for 24/7 wear Rising heart health, with a dip in stress management Recessed sensors you can barely feel High performance ceramic 5 to 8 days of battery life Water resistant up to 100m
  • HSA/FSA Eligible Oura Ring is eligible for reimbursement with FSA and HSA. Employer or provider plans may vary. Check your administrator's coverage.
  • Over one million members 86% saw an improvement in their sleep quality* 88% saw an improvement in overall health* First month of Oura Membership is free, then $5.99 per month. * Based on a survey with 699 adults who used Oura Ring.
  • What's in the Box Oura Ring 4 Ceramic USB Cable Charger
  • All-Ceramic Exterior Titanium Interior Up to 8 Day Battery Life Temperature Sensing Research Grade Heart Rate & SP02 Sensors for Pinpoint Accuracy
  • Introducing Oura Ring 4 video 0 minutes 39 seconds
  • Oura Ring 4 Ceramic Tide - 360 View video 0 minutes 06 seconds
  • How to find your Oura Ring 4 size with sizing kit video 1 minutes 02 seconds

Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15 - Tide - (2025)

Model:
JZ90-57461-15
SKU:
6633830
$499.00

Customer reviews

Rating 4.6 out of 5 stars with 260 reviews

Rating Filter

Rating by feature

  • Battery Life

    Rating 4.8 out of 5 stars

  • Durability

    Rating 4.8 out of 5 stars

  • Comfort

    Rating 4.7 out of 5 stars

92%
would recommend
to a friend
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 11 Showing 201-220 of 260 reviews

  • Oura ring

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

    great ring. I enjoy all that it tracks. Every morning I check my sleep pattern

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Petal - (2025)

    I would recommend this to a friend

  • Oura 4

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

    Battery lasts about a week and pretty accurate on data

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Tide - (2025)

    I would recommend this to a friend

  • Ceramic model

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

    Great product with accurate measurements. Sizing in teg store was very helpful.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Tide - (2025)

    I would recommend this to a friend

  • ceramic ring

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

    bought for the wife and she loves it hasn't said anything bad about it in fact she like it mire than her watch

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Petal - (2025)

    I would recommend this to a friend

  • Great Product

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

    The ring does everything as advertised. The app is simple, clean, and user friendly.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Midnight - (2025)

    I would recommend this to a friend

  • Highly Recommend

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

    Love my ring. Doesn’t scratch easily like the gold one.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Midnight - (2025)

    I would recommend this to a friend

  • EXCEEDS EXPECTATIONS

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

    EXCELLENT QUALITY. I GAVE IT TO MY WIFE FOR CHRISTMAS AND SHE LOVES IT.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Tide - (2025)

    I would recommend this to a friend

  • Pinky

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

    Love this item! It helps me during my workouts and when I am relaxing!

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Petal - (2025)

    I would recommend this to a friend

  • Buy it

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

    This has been the Best investment for my health, I love all the features and benefits.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 5 - Petal - (2025)

    I would recommend this to a friend

  • Perfect!

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

    Sizing is perfect and it's been very helpful for monitoring everything I was looking into it for.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Cloud - (2025)

    I would recommend this to a friend

  • Nice Ring

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

    Never got the polishing cloth that is supposed to come with the ring. Otherwise rating would be higher

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Midnight - (2025)

    I would recommend this to a friend

  • Couldn’t Recommend this enough

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

    I love everything about this ring. Fits perfect and all the data is awesome.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Cloud - (2025)

    I would recommend this to a friend

  • Alexp

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

    I heard the good review from the friend so I’m experiencing sent out so far is so good

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Midnight - (2025)

    I would recommend this to a friend

  • Oura Ring

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

    Love my oura ring just wish I would of got a different color

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Midnight - (2025)

    I would recommend this to a friend

  • Color is so pretty

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

    The ring fits perfectly! it tracks pretty good! the color is so pretty!

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Petal - (2025)

    I would recommend this to a friend

  • Will not buy again

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

    It was to bulky and charge was to low. I needed to be smaller

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Tide - (2025)

    No, I would not recommend this to a friend

  • Great purchased

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

    It was great, perfect fit, and everything. The only downside to the O-ring is that you have to pay for a membership, but if you’re OK with that, then it’s a great fit for you.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 8 - Cloud - (2025)

    I would recommend this to a friend

  • Best Ever!

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

    Love it and would recommend to all my friends! Best Buy was very helpful!

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Tide - (2025)

    I would recommend this to a friend

  • Excellent Purchase

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

    This ring has been so detrimental to my health, I can't imagine going without it.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Midnight - (2025)

    I would recommend this to a friend

  • Great gift

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

    Love the features. Useful for keeping tabs on yourself healthwise

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Cloud - (2025)

    I would recommend this to a friend
Page 11, Showing 201-220 of 260 reviews
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