Oura Ring 4 on wrist provides sleep tracking and daily activity insights.
Close-up of Oura Ring 4 with smart sensing illustrating diverse health metrics.
Sizing kit image shows how to achieve a precise fit for accurate readings.
Oura Ring 4 battery life enables several days of uninterrupted wear.
Interchangeable finishes demonstrate easy style changes to match mood.
First month membership included with purchase for personalized insights.
HSA or FSA eligibility information appears on packaging for eligible purchases.
Charging cable shown next to ring for simple recharging.
Android and iOS compatibility graphic emphasizes seamless app connectivity.

OURA

Oura Ring 4 – Black | Sleep, Activity & Women’s Health | Up to 8 Days Battery

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

$479.72

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

Introducing the Oura Ring 4 in black, a discreet wearable designed to stay with you through your day and night. Built with an all-titanium shell, it balances durability with a light, comfortable feel. Powered by Smart Sensing, it adapts to your routine and delivers data across more than 50 health metrics.

What you uncover goes beyond a single number. Sleep quality and stages, daily activity, heart health signals, stress patterns, readiness for the day, metabolic cues, and women's health indicators can reveal recurring patterns when you compare nights, workouts, and days. The goal is not a guarantee but a clearer picture you can act on when you’re ready.

Smart Sensing that Adapts to You

Smart Sensing continuously collects data to provide accurate, real-time insights day and night. With no screen to distract you, the ring silently learns your baseline and highlights deviations that matter to you.

All-day Comfort and Long Battery Life

With up to 8 days of battery life, the ring stays on comfortably from gym to evening. The design supports multi-ring setups, and you can switch finishes in the app to match different outfits or moods.

Fit, Setup, and Oura Membership

Finding the right fit is easy with the sizing kit designed for precision. The first month of Oura Membership is included, giving you access to enhanced insights; after that, membership is optional and billed as you choose.

  • Sleep tracking and stages
  • Readiness and activity balance
  • Heart health indicators and stress signals
  • Women's health metrics and metabolic cues
  • Seamless iOS and Android compatibility
  • Sizing Kit to find your perfect fit
  • First-month membership included
  • HSA/FSA eligible purchases
  • Multi-ring support for interchangeable finishes
  • Android and iOS app access

Whether you’re tracking a morning run, a late-night study session, or a quiet evening routine, Oura Ring 4 offers a data-backed look at how everyday choices can affect your body. It’s a companion for awareness rather than a guarantee, inviting you to explore patterns at your own pace.

FAQ

Q: What health metrics does the Oura Ring 4 track?

A: Over 50 metrics, including sleep stages, activity, heart health, stress, readiness, and women's health indicators.

Q: What is included with the purchase of Oura Ring 4?

A: Sizing kit, first month of membership, and access to app insights; after that, membership is optional.

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