Oura Ring 4 black size 6 on finger tracks sleep and activity metrics.
Oura Ring 4 titanium finish close-up shows durable, lightweight wearable design.
Oura Ring 4 sizing kit demonstrates accurate, comfortable fit before purchase.
Oura Ring 4 battery life icon indicates up to eight days between charges.
Oura App screen displays sleep, readiness, and activity metrics at a glance.
Oura Ring 4 offers multiple finishes for easy style swaps.
Oura Ring 4 visuals highlight women's health metrics in the app.
Oura Ring 4 packaging notes HSA/FSA eligibility for purchase.
Oura Ring 4 worn on finger captures sleep and activity data.

OURA

Oura Ring 4 - Black Size 6 | Sleep, Activity & Women’s Health | AI Advisor | Android & iOS Compatible

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

$372.52

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

Introducing Oura Ring 4, the next evolution in wearable health insight. Crafted with a resilient all‑titanium design and powered by Smart Sensing, it adapts to you to deliver continuous data day and night. Designed to be worn comfortably, it stays with you through workouts, work, and winding down for rest, all while keeping a low profile on your finger.

With more than 50 health metrics tracked—spanning sleep, readiness, activity, heart health, stress, metabolic signals, and women’s health—Oura Ring 4 helps you spot patterns over time. The battery life stretches to up to eight days on a single charge, so you can forget about daily recharging and focus on what matters most.

What it tracks and how it adapts

  • Sleep stages, duration, and consistency to reveal nightly patterns
  • Activity balance and readiness to guide daily pacing
  • Heart health basics and stress indicators for overall wellness trends
  • Women’s health metrics for cycle and wellness tracking
  • Metabolic health signals and long‑term wellness insights

Design, fit, and style

  • All‑titanium construction offers durability and a lightweight feel
  • Unique sizing kit helps you find a precise fit before you buy
  • Multi‑ring support lets you switch finishes across styles for easy customization
  • Screens‑free design keeps focus on the moment while gathering data

Everyday usage, reimagined

Wear Oura Ring 4 both day and night to build a continuous picture of your health. Use it to inform sleep routines, prep for workouts, or wind down after a busy day. The first month of Oura Membership is included with new purchases, opening access to deeper insights within the app.

Membership and accessibility

  • First month of Oura Membership is included for new members; ongoing access is a separate plan
  • HSA/FSA eligibility is available for the ring, chargers, and shipping

Compatibility with Android and iOS ensures you can review metrics in the Oura App across devices, helping you stay engaged with your data without disruption.

FAQ

Q: What is included when I buy the Oura Ring 4?

A: The package includes the ring, sizing kit, charger, and access to the first month of Oura membership.

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

A: Yes, it works with both Android and iOS through the Oura app.

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