Oura Ring 4, Silver, Size 13, Smart Wearable, Sleep, Fitness & Heart Rate Tracker, 8-Day Battery (Size Before You Buy)
Oura Ring 4, Silver, Size 13, Smart Wearable, Sleep, Fitness & Heart Rate Tracker, 8-Day Battery (Size Before You Buy)
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Oura Ring 4, Silver, Size 13, Smart Wearable, Sleep, Fitness & Heart Rate Tracker, 8-Day Battery (Size Before You Buy)

669 ratings
Oura Ring 4, Silver, Size 13, Smart Wearable, Sleep, Fitness & Heart Rate Tracker, 8-Day Battery (Size Before You Buy)Oura Ring 4 Silver Size 13 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 10 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 15 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 13 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 5 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 15 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 9 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 13 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 8 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 4 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 11 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 12 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 14 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 14 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 6 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 15 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 8 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 12 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 9 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 5 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 9 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 6 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 10 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 13 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 14 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 9 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 6 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 4 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 11 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 12 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 6 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 15 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 5 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 10 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 5 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 7 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 14 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 11 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 8 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 8 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 4 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 8 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 12 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 7 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 13 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 6 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 10 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 11 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 10 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 4 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 11 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 11 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Silver Size 4 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 14 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 7 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Brushed Silver Size 14 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 15 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Stealth Size 6 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Gold Size 10 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Black Size 7 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day BatteryOura Ring 4 Brushed Silver Size 13 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You BuyOura Ring 4 Rose Gold Size 7 Smart Wearable Sleep Fitness Heart Rate Tracker 8 Day Battery Size Before You Buy
Ring Size13
Actual ColorSilver

Key item features

  • SIZE BEFORE YOU BUY: Oura Ring 4 is different from standard ring sizing; order the Oura sizing kit and get $10 Walmart Cash toward your purchase of an Oura Ring 4
  • OURA MEMBERSHIP: First month of membership free with purchase – offer available to new members only; then $5.99/month or opt for $69.99/year annual prepaid option
  • APP-BASED MEMBERSHIP: Membership is tied to your Oura App account, not the physical ring
  • HEALTH TRACKING: Tracks over 50 metrics, including sleep, activity, stress, heart health, and women’s health metrics
  • SMART SENSING: Adapts to you and delivers accurate, continuous data day and night
  • BATTERY LIFE: Lasts 5-8 days* on a single charge
  • DISCREET DESIGN: No screens or vibrations so you can stay present — from workouts to nights out
  • DESIGNED FOR 24/7 WEAR: Oura Ring 4’s updated design is more comfortable, fits better than ever, and is water resistant
  • DURABLE DESIGN: The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin
  • 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
  • HSA/FSA ELIGIBLE: We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping
  • LOOKING FOR THE BEST HEALTH TRACKER: Whether you’re searching for a sleep ring or fitness ring, Oura Ring is for you— this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress - in style
  • Finish: Silver
  • Size: 13

Specs

Ring size, 13Ring style, BandMetal type, TitaniumBrand, OuraIs resizable, NNumber of diamonds, 0

About this item

Product details

Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 50 health metrics, including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on.

Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you.

Oura Ring is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping.

IMPORTANT: Size yourself with the Oura Ring Sizing Kit before you buy — Oura Rings are not US standard sizing, and finding the right size will result in the best experience possible. With a sizing kit purchase, you receive $10 Walmart Cash towards the future purchase of an Oura Ring 4.

  • SIZE BEFORE YOU BUY: Oura Ring 4 is different from standard ring sizing; order the Oura sizing kit and get $10 Walmart Cash toward your purchase of an Oura Ring 4
  • OURA MEMBERSHIP: First month of membership free with purchase – offer available to new members only; then $5.99/month or opt for $69.99/year annual prepaid option
  • APP-BASED MEMBERSHIP: Membership is tied to your Oura App account, not the physical ring
  • HEALTH TRACKING: Tracks over 50 metrics, including sleep, activity, stress, heart health, and women’s health metrics
  • SMART SENSING: Adapts to you and delivers accurate, continuous data day and night
  • BATTERY LIFE: Lasts 5-8 days* on a single charge
  • DISCREET DESIGN: No screens or vibrations so you can stay present — from workouts to nights out
  • DESIGNED FOR 24/7 WEAR: Oura Ring 4’s updated design is more comfortable, fits better than ever, and is water resistant
  • DURABLE DESIGN: The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin
  • 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
  • HSA/FSA ELIGIBLE: We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping
  • LOOKING FOR THE BEST HEALTH TRACKER: Whether you’re searching for a sleep ring or fitness ring, Oura Ring is for you— this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress - in style
  • Finish: Silver
  • Size: 13
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Ring size

13

Ring style

Band

Metal type

Titanium

Brand

Oura

Warnings

Customer ratings & reviews

4.2 out of 5 stars
stars
669 ratings113 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars70% (469)
  2. 4 stars10% (66)
  3. 3 stars5% (34)
  4. 2 stars4% (26)
  5. 1 star11% (74)

Reviews summary

Pros

  • : Provides metrics on sleep quality and duration.
  • : Provides clear health information and guidance.
  • : Provides accurate sleep tracking reports.
  • : Offers detailed recovery, sleep, and resilience insights.

Neutral

  • : Offers competitive pricing, but can be steep for certain models.
  • : Can be compact, but also feels cramped for larger users.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 113 reviews

Nov 5, 2026
Reviewer name: anonymous
Item details
Ring size: 7
Color: Gold
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good so far

Pretty good so far..,

Helpful?2QIF0YX5NAD217895716376
Apr 29, 2026
Reviewer name: Hailee
Walmart Associate
Item details
Ring size: 9
Color: Silver
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Worth it!

For a while, I was skeptical about buying because of the price tag but also because it seems like everyone has a different opinion on what brand to get. In the end, I ended up purchasing this and I do not regret it at all!

Helpful?2QIF0YX5NAD217895716376
Jan 19, 2026
Reviewer name: Angela
Item details
Ring size: 8
Color: Silver
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect

Love it the best ring ever

Helpful?2QIF0YX5NAD217895716376
Current price is Now $249.00
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was $349.00
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