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  • Front. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 14 - Cloud.
  • 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 - Recessed sensors you can barely feel - High performance ceramic - 5 to 8 days of battery life - Water resistant up to 100m - Rising heart health, with a dip in stress management
  • 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 Cloud - 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 14 - Cloud - (2025)

Model:
JZ90-57460-14
SKU:
6633810
$399.00
Save $100
The comparable value is $499.00

Customer reviews

Rating 4.7 out of 5 stars with 414 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 4.8 out of 5 stars

93%
would recommend
to a friend

Customers are saying

Customers are pleased with the Ring 4 Ceramic's sleep tracking capabilities, comfortable design, and excellent battery life. Many users appreciate the overall performance, stylish design, and color options. However, some customers find the ring's thickness to be a minor inconvenience.

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 15 Showing 281-300 of 414 reviews

  • It’s the best to track sleep.

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

    I love it so much, have gotten so many compliments on it & is easy to track my fitness progress.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6 - Petal - (2025)

    I would recommend this to a friend

  • Good investment

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

    Still gets scratched but the battery issues are better

    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

  • Love it

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

    100% recommend and you won’t regret getting it you will understand your body a lot more

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

    Best Purchase I’ve made in a very long time. It’s definitely worth the price. I love that it tracks your sleep, heart rate, stress levels, etc.

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

    I would recommend this to a friend

  • Amazing

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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. Super comfortable and lightweight. Tracks my sleep well. Very happy with my purchase.

    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

  • Best product.

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

    This product is amazing and I love it would recommend to everyone

    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

  • Great smart ring

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

    Great smart ring. Easy to setup APP. Great support.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)

    I would recommend this to a friend

  • Love it

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

    Love the ring, make sure to get the buffing pad offered for free through Oura. This is my 3rd Oura ring I recommend gettin Best Buy’s extended warranty as battery life eventually lessens.

    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

  • Love the Ceramic

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

    So far enjoying my ring! It’s a bit bulky but you get used to it.

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

    I would recommend this to a friend

  • Oura Ring

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

    I bought this mainly for my nightly oxygen levels (I have sleep apnea). I was hoping to have more details that it provides.

    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

  • Love my Oura

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

    One of the best purchases I have ever made. I was amazed on how many matrix it tracks. It is very beneficial to my overall health. I use the sizing kit in which suggest that to everyone.

    This review is from Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15 - Midnight - (2025)

    I would recommend this to a friend

  • Oura Ring

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

    Fits well and is easy to set up. App is user friendly.

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

    I would recommend this to a friend

  • The Ring to get

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

    Great gift for my girlfriend. She wears it every day

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

    I would recommend this to a friend

  • Oura ring experience

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

    Very helpful very accurate. I will definitely recommend this is a most have in your life.

    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

  • Oura ring

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

    Tracks my sleep well (even naps)! I use it to track my heart health as well!

    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

  • Keeping up with my sleep

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

    I like that the ring keeps track of my sleep every night and gives me a sleep score.

    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

  • Oura Rizz more like Aura Skibbidy Rizz

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

    Very good I liked it It was a solid product It got

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

    I would recommend this to a friend

  • Ringg

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love my ring. I use it all the time and it has helped me manage school activintes and lower my stress

    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

  • MissM

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

    Very happy with ring. Would highly recommend to anyone concerned with their overall health.

    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

  • Awesome!!

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

    Love it! exactly what I was looking for. Recieved this item and was very satisfied with it.

    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
Page 15, Showing 281-300 of 414 reviews
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