• Silver smart ring with digital display on a white background
  • Silver smart ring with digital display on a white background
  • Smart sensing device with smartphone app interface, highlighting features like accuracy, comfort, battery life, and water resistance.
  • oura ring charging place and path
  • oura ring 4 gifting image from one hand to another hand
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Oura Ring 4 Silver Size 8 | 3D Smart Sensing Health, Sleep & Heart Tracker

$499.00
$1,285.83
$499.00
-61%
Shipping calculated at checkout.
Color: Silver
Size: 8

Product Description

The Future of Personalized Health, Refined in Titanium.
Discover the  Oura ring4:
the 2026 gold standard in wearable technology. Crafted in a sleek, all-titanium Silver finish, this Size 8 smart ring disappears on your finger while delivering hospital-grade insights into your body's most vital signals.
Why : Oura ring4, is the 2026 Leader:
  • Smart Sensing Technology: Features a new 18-path multi-wavelength PPG subsystem that adapts to your unique finger physiology for 120% improved signal quality.
  • Over 50 Biometrics Tracked: Monitor deep sleep stages, daily readiness, cardiovascular age, stress resilience, and comprehensive women’s health (including fertile window insights).
  • Industry-Leading Battery: Enjoy up to 8 days of continuous tracking on a single charge—charging from 0-100% in just 80 minutes.
  • Seamless Integration: Syncs

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.

Trusted by Millions Worldwide

★★★★★ 4.8 | 5000+ Reviews

Intelligent Health Tracking in a Sleek Smart Ring

Oura Ring 4 is the next evolution of smart health wearables, designed to help you understand your body with precision and comfort. Crafted from premium all-titanium and powered by Oura’s new Smart Sensing platform, this sleek smart ring adapts to you—quietly tracking over 30 vital biometrics including sleep, readiness, activity, heart health, stress levels, and women’s health.

Unlike bulky wearables, Oura Ring 4 fits seamlessly into your daily life. With up to 8 days of battery life, ultra-lightweight comfort, and a refined silver finish, it delivers powerful health insights while remaining almost unnoticeable on your finger—day and night.

Oura Ring 4 Smart Ring with Accurate Sizing, Sleep & Heart Tracking

Smart Health Tracking, Perfected for Everyday Life

Designed to Fit You Perfectly

Oura Ring 4 is engineered with a unique sizing system that differs from standard US ring sizes, allowing for a more precise fit that supports accurate sensor performance. To ensure the best possible experience, the Oura Ring 4 Sizing Kit is required before purchasing the ring. Proper sizing plays a crucial role in comfort, data accuracy, and long-term wearability. Once the correct size is selected, the ring sits naturally on your finger with a secure yet lightweight feel. It is comfortable enough to wear continuously—day and night—without irritation, making it ideal for 24/7 health tracking, including during sleep.

30+ Biometrics Powered by Smart Sensing

Oura Ring 4 features an advanced Smart Sensing platform that intelligently adapts to your body, delivering high-precision health data around the clock. It tracks over 30 biometrics, including sleep stages, readiness, activity levels, heart rate, heart rate variability (HRV), body temperature trends, stress indicators, and women’s health insights. By collecting and analyzing data continuously, the ring provides deeper, more personalized insights that help you recognize patterns, improve recovery, manage stress, and make informed lifestyle decisions. This intelligent system ensures your health data stays accurate, relevant, and meaningful.
oura ring charging place and path

Up to 8 Days of Effortless Tracking

Designed for uninterrupted use, Oura Ring 4 offers up to 8 days of battery life on a single charge, depending on usage. This extended battery performance allows you to track your health metrics without worrying about daily charging or missed data. Whether you’re exercising, sleeping, traveling, or going about your daily routine, the long-lasting battery ensures continuous data collection. This reliability supports more accurate insights and a seamless tracking experience with minimal maintenance.
Smart sensing device with smartphone app interface, highlighting features like accuracy, comfort, battery life, and water resistance.

Sleek Titanium Design for Everyday Wear

Crafted from premium all-titanium, Oura Ring 4 combines durability, elegance, and lightweight comfort in a refined silver finish. Its slim, modern profile blends effortlessly with any outfit, making it suitable for casual wear, professional settings, and active lifestyles. Built to handle everyday conditions, the ring is water-resistant and designed for continuous wear. With its minimalist look and powerful technology, Oura Ring 4 delivers discreet performance while maintaining a sophisticated, high-end appearance.

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Find answers to common questions about our products

Frequently Asked Questions

Oura Ring 4 is designed to provide advanced, continuous health monitoring in a sleek and comfortable wearable. It tracks key aspects of your wellbeing, including sleep quality, recovery and readiness, daily activity, heart health, stress levels, and women’s health insights. By transforming complex biometric data into clear, actionable insights, Oura Ring 4 helps you understand your body better and make smarter decisions about rest, movement, and overall lifestyle habits.

Oura Ring 4 does not follow standard US ring sizing because accurate sensor contact is essential for precise health tracking. The Oura Ring 4 Sizing Kit ensures you select the correct size for maximum comfort, reliable data accuracy, and all-day wearability. Proper sizing allows the sensors to sit correctly against your skin, improving the quality of sleep, heart, and activity measurements. Using the sizing kit before purchase ensures the best possible experience with your ring.

Oura Ring 4 offers up to 8 days of battery life on a single charge, depending on usage and feature settings. This extended battery performance allows you to wear the ring continuously—day and night—without frequent charging interruptions. Long battery life ensures consistent data collection, helping deliver more accurate insights and a seamless health-tracking experience.

Yes. Oura Ring 4 is crafted from lightweight, smooth titanium and designed for 24/7 wear. Its slim profile and balanced fit make it comfortable during daily activities, workouts, and even while sleeping. Many users report that the ring feels natural on the finger and is easy to forget, making continuous health tracking effortless and unobtrusive.

Oura Ring 4 tracks over 30 biometrics, providing a comprehensive picture of your health. These include sleep stages, sleep quality, readiness score, daily activity, heart rate, heart rate variability (HRV), body temperature trends, stress indicators, and women’s health insights. The Smart Sensing platform adapts to your body, delivering personalized data that helps you recognize patterns, optimize recovery, and improve overall wellbeing.

Yes. Oura Ring 4 is FSA/HSA eligible, allowing you to use qualified health funds toward your purchase. Eligible expenses include the Oura Ring 4 itself, additional chargers, and shipping. When you purchase the Oura Ring 4 Sizing Kit, a $10 credit is automatically applied to your ring at checkout, making it easier and more affordable to get started.

How to Use

Simple setup for powerful, continuous health tracking

  1. 1

    Use the Oura Ring 4 Sizing Kit to determine your correct ring size before wearing. Proper sizing ensures maximum comfort and accurate health data.

  2. 2

    Once your size is confirmed, wear the Oura Ring 4 on your finger with the sensors positioned on the palm side for optimal performance.

  3. 3

    Download the Oura App on your smartphone and pair the ring via Bluetooth to begin tracking sleep, activity, heart rate, and recovery insights.

  4. 4

    Wear the ring continuously—day and night—to collect accurate data. Recharge when needed and review your personalized insights in the app.

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