Oura Ring 4 Stealth front view shows a sleek, discreet wearable for daily health tracking.
Oura Ring 4 Stealth side view highlights slim profile for comfortable all-day wear.
Oura Ring 4 Stealth womens health metrics display discreet wellness insights.
Oura Ring 4 Stealth sleep trends reveal nightly patterns for better rest awareness.
Oura Ring 4 Stealth battery-life silhouette emphasizes all-day wear without interruptions.
Oura Ring 4 Stealth sizing kit image shows how to find the perfect fit.
Oura Ring 4 Stealth multi-ring support enables easy style changes.
Oura Ring 4 Stealth app dashboard illustrates seamless tracking and insights.
Oura Ring 4 Stealth packaging highlights premium unboxing experience.

OURA

Oura Ring 4 Stealth - Size 15 | Sleep, Activity & Womens Health AI Advisor | Up to 8 Days Battery | Android & iOS

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$365.14

In stock. Ships free, usually within 1–4 business days.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout Free 30-day returns
Spare Keep a spare (2)

Check the listed compatible models and specs before you order. Questions? Email us.

Multi-device One for each device (3)

Free tracked shipping and secure checkout on every U.S. order.

Free shipping

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

Return & RefundFree 30-day returns, full refund Shipping PolicyDelivery process and tracking info
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Product details

Meet Oura Ring 4: Stealth design, advanced sensing, and a lightweight form you may forget it is there. Made from all-titanium, it uses Smart Sensing to go beyond simple biometrics, tracking more than 50 health signals day and night.

Smart sensing that adapts to you

Unlike basic trackers, Oura Ring 4 learns your baseline and adapts, delivering consistent data as your routines shift—from workouts to late-night shifts.

  • Sleep: quality, duration, and stages
  • Activity: daily movement, intensity, and recovery
  • Heart health: resting heart rate and variability trends
  • Stress and metabolic health indicators
  • Womens health metrics: regular cycle insights

Because proper fit matters, a sizing kit helps you find the perfect fit before you buy. The ring remains comfortable enough for daily wear and supports quiet evenings and active days alike.

Long-lasting battery and effortless wear

With up to 8 days of battery life, you can go through a week of routine without recharging. There are no screens or vibrations; it stays quiet while monitoring your body rhythms.

  • Up to 8 days between charges
  • Discreet, low-profile design suitable for work, workouts, and sleep
  • Titanium construction that resists everyday wear

Membership includes a first month for new members, with ongoing access to deeper insights via the Oura App. The ring is HSA/FSA eligible for eligible purchases.

How it fits your life

With multi-ring support, you can switch finishes in the app as you switch outfits, keeping your look aligned with your mood. The device works with Android and iOS, and the app compiles insights into a daily readiness score, sleep quality, and recovery patterns.

FAQ

Q: What can I expect from Oura Ring 4 Stealth?

A: It tracks sleep, activity, heart health, stress, and womens health metrics with adaptive Smart Sensing for day and night.

Q: Is Oura Ring 4 compatible with Android and iOS?

A: Yes. It works with both platforms through the Oura App; sizing kit helps find your fit before purchase.

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