Oura Ring 4 front view in brushed silver tracks sleep and activity.
Oura Ring 4 side view highlights its subtle, comfortable all-day wear.
Oura Ring 4 on finger demonstrates lightweight, continuous biometrics monitoring.
Oura Ring 4 size-kit usage shows precise fit before purchase.
Oura Ring 4 Smart Sensing insights graphic highlights multiple health metrics.
Oura Ring 4 battery life graphic emphasizes up to eight days.
Oura Ring 4 app and membership onboarding image shows setup.
Oura Ring 4 HSA FSA eligibility infographic highlights eligible items.
Oura Ring 4 multi-ring style switch demonstrates customization.

OURA

Oura Ring 4 - Brushed Silver (Size 6) | Sleep, Activity & Women’s Health AI Advisor | Up to 8 Days Battery Life

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

$468.76

Sold out right now.

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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

Overview

Meet the Oura Ring 4, a refined all titanium smart ring designed for daily wear. The brushed silver finish pairs with a modern look while Smart Sensing continuously collects data day and night, adapting to you to deliver meaningful insights. An AI Advisor in the app helps translate patterns into easy-to-understand feedback, so you can explore your health data without distraction. With up to eight days of battery life and a lightweight, quiet profile, it stays behind the scenes while you focus on your day.

Built for real life, Oura Ring 4 supports multiple finishes and seamless style swaps. If you own more than one ring, you can switch between finishes in the app. The included Sizing Kit helps you find a precise fit before you buy, supporting a comfortable, all-day wear experience.

What you will notice in your data

  • Tracks sleep, activity, readiness, heart health, stress, metabolic signals, and women’s health metrics with ongoing accuracy.
  • Smart Sensing adapts to you, delivering continuous data with day and night consistency.
  • AI Advisor interprets the data to highlight patterns and practical, non-medical insights.

Designed for daily life

Oura Ring 4 is lightweight, discreet, and water resistant, making it comfortable for all-day wear—from workouts to evenings out. The ring is designed to perform without screens or vibrations, so you can stay present while your data quietly accumulates in the app.

  • Long battery life means fewer interruptions between charges—up to eight days depending on use.
  • All-day comfort and a subtle silhouette help it blend with your routine, not define it.
  • Android and iOS compatibility keeps your data synced across devices.
  • HSA/FSA eligible for eligible items, including the ring, chargers, and shipping.

Membership and value

The first month of Oura membership is included with new Ring 4 purchases. After that, the ongoing plan is a monthly fee, giving you continued access to insights in the Oura App to help you track trends and personalize your experience.

FAQ

Q: What metrics does Oura Ring 4 track?

A: It tracks sleep, activity, readiness, heart health, stress, metabolic signals, and women’s health metrics using Smart Sensing.

Q: Is there a membership, and are there costs after the first month?

A: Yes. The first month of Oura membership is included; after that, the plan is 5.99 USD per month.

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