SKU: 20478103382

Oura Ring 4 Ceramic - Tide

Sale price$179.55 Regular price$199.50
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Shipping Estimate
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Oura Ring 4 Ceramic - TideKey Benefits Accurately measures over 30 key biometrics. Syncs with Apple Health, Google Health, Strava and more. Designed for all day comfort and long term wear. Up to 8 days battery life. SIZE BEFORE YOU BUY Size yourself with the Oura Ring 4 Sizing Kit before purchasing your Oura Ring 4. Oura Ring 4 Ceramic is the next evolution of the revolutionary smart ring, designed to help you get up close and personal with your health. It is built around a

Key Benefits

  • Accurately measures over 30 key biometrics.
  • Syncs with Apple Health, Google Health, Strava and more.
  • Designed for all-day comfort and long-term wear.
  • Up to 8 days battery life.


SIZE BEFORE YOU BUY - Size yourself with the Oura Ring 4 Sizing Kit before purchasing your Oura Ring 4.

Oura Ring 4 Ceramic is the next evolution of the revolutionary smart ring, designed to help you get up close and personal with your health. It is built around a breakthrough sensing technology, Smart Sensing, which adapts to your finger to deliver accurate, continuous data. With up to 8 days of battery life, Oura Ring 4 provides the most complete picture of your health. It has a fully-titanium design with recessed sensors on the interior, making it more comfortable than ever before and gentle, even on sensitive skin. Oura Ring 4 Ceramic comes in an expanded size range (sizes 4-15) and 4 stunning finishes  to fit your style and your finger, effortlessly.

PRECISION ACCURACY WITH SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — 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 — The updated design of the Oura Ring 4 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. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments. Includes a dedicated charger for convenient, reliable recharging.

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.

CERAMIC LIKE YOU'VE NEVER SEEN - Thoughtfully crafted in high-performance zirconia ceramic, Oura Ring 4 Ceramic combines refined elegance with material innovation. Each ceramic ring goes through a traditional firing process that strengthens the material and gives it a smooth, polished finish.

MEMBERSHIP IMPROVES WITH YOU - First month of Oura Membership is on us for new members with your purchase, £5.99/mo afterwards (or £69.99 annually). Enjoy access to continuous features and app updates within the award-winning Oura App.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20478103382

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4.2 ★★★★★
Based on 29 reviews
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A
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Amazon Customer
Massapequa, US
★★★★★ 5
Fantastic toy
Format: Board book
Such a perfect book for little train lovers. I don’t see any issues with it. My 3 year old son loves to read it every night. The train doesn’t really come off the track, but if I’m holding the book on my lap, I’ll move the book around to help it slide along. It’s bigger than I expected from the pictures, but that was definitely a good thing. So happy with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
N
Verified Purchase
NavyVet
Dallas, US
★★★★★ 5
Great gift
Format: Board book
Kids love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
E
Verified Purchase
Ellen
Lake Worth, US
★★★★★ 5
GREAT toy book
Format: Board book, Format: Board book
GREAT gift for my 4 year old who loves trains. He got a lot of gifts for Christmas but this one is probably his favorite. It is also easy to take with you if you travel. Fun, entertaining and educational with facts about famous trains. Definitely recommend it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
S
Verified Purchase
Shianne Edwards
Natrona Heights, US
★★★★★ 1
Poor quality
Format: Board book, Format: Board book
So bummed . Love these books. Put up for Christmas and the binder of the book is completely torn. Didn’t see till I wrapped.
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Reviewed in the United States on December 12, 2025
D
Verified Purchase
derrick charles
Massapequa, US
★★★★★ 5
A must read addition to the Slaughterverse.
Format: Paperback
The Book of Slaughter reveals the secret history of the Slaughterverse while giving you a glimpse of horrors yet to come. The story follows Maxine Slaughter as she leaves behind her white mask in order to restart the House of Slaughter's Black Masks. As she studies and trains for this task, she uncovers the forgotten lore of the Order of St. George and a plot that will shape its future. Volume 2 contains information on the Order of St. George's mask factions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2025

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