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Oura JZ90-54217-11 Smart Ring: Sleep tracking wearable

Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura
Thumbnail Smart Ring — Smart Ring, Oura

Meet the Oura Ring 4 – it's not just a smart ring, it's like having a mini health lab wrapped around your finger. This bad boy comes in a sleek all-titanium design that's tougher than your last gym session. Thanks to Smart Sensing, it's got this uncanny ability to learn your rhythms, dishing out insights on everything from how well you slept to whether you're stressing over nothing (again). And with battery life that laughs in the face of your smartphone's pitiful endurance, you might just forget you're wearing it – until it tells you to take a breather.

Here’s the lowdown on what makes it tick:

  • It’s like the Oura Ring 3 went to the gym, got a PhD, and came back looking sharp.
  • Built to survive your 24/7 hustle, because let’s face it, you’re not taking it off.
  • Water-resistant and kind to your skin, because comfort shouldn’t be an afterthought.
  • Plays nice with over 40 apps (Apple Health and Google Health Connect are in its social circle).
  • And yes, your HSA/FSA can cover the ring, chargers, and even shipping – because health is wealth, right?

Heads up: Don’t skip the Oura Ring 4 Sizing Kit. Trust us, getting the right fit is the difference between 'this is amazing' and 'why did I not listen?'

Features
  • Heart rate monitor
  • Fitness tracker
  • Up to 8 days of battery life
  • Smart Sensing technology
  • 24/7 wear design
  • Water resistant
  • Sync with favorite apps
  • HSA/FSA eligible
  • Sleep tracking wearable

General specs

  • Brand: Oura
  • Model: JZ90-54217-11
  • Seller: Amazon
  • ID: B0D9WW49PJ
  • Product Dimensions: 1.1 x 1.1 x 0.28 inches
  • Item Weight: 7 ounces
  • batteries: 1 Lithium Polymer batteries required. (included)
  • Other Display Features: Wireless
  • Whats in the Box: Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
  • manufacturer: Oura
  • Country of Origin: Estonia
  • Date First Available: October 3, 2024
  • First listed by seller: 5/29/25

If you are interested in more details, you can find full information on the seller's page.

Amazon Buy on Amazon #publicidad
$349.00
Last price update: 12/6/25
Available to order
Price History for seller Amazon

Shipping options

Delivery to Russia
Available

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Price $349.00 $249.00 $86.41 $299.91 $279.00 $299.00
Seller Amazon Amazon Amazon Amazon Amazon Amazon
Update Feb 2, 2026 Dec 6, 2025 Dec 6, 2025 Dec 6, 2025 Dec 6, 2025 Dec 6, 2025
Product Dimensions 1.1 x 1.1 x 0.28 inches 2.72 x 4.17 x 4.17 inches 1.1 x 1.1 x 0.28 inches 0.94 x 0.94 x 0.28 inches 0.87 x 0.87 x 0.29 inches
Item Weight 7 ounces 200 Grams 3.2 ounces 7.8 ounces 7.8 ounces 200 Grams
batteries 1 Lithium Polymer batteries required. (included) 1 Lithium Ion batteries required. (included) 1 Lithium Ion batteries required. (included) 1 Lithium Ion batteries required. (included) 1 AA batteries required. (included)
Other Display Features Wireless Wireless Wireless
manufacturer Oura SHENZHEN GREPOW BATTERY CO., LTD Oura Oura
Country of Origin Estonia China Estonia Estonia
Date First Available October 3, 2024 February 10, 2025 January 19, 2024 January 19, 2024
Smart Ring — Smart Ring, Oura

Oura JZ90-54217-11 Sleep tracking wearable

$349.00

Reviews

4.5
(2 reviews)
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Isabella Lewis
Isabella L. GB Birmingham
June 6, 2025
Decision:
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