Oura Ring 4 Silver Size 8 – Sleep, Activity & Women’s Health AI Advisor | Up to 8 Days Battery

Overview

Meet Oura Ring 4, the latest evolution of the smart ring designed to keep you connected to your health without distraction.

The all-titanium design and Smart Sensing deliver continuous data across more than 50 health metrics, from sleep quality to readiness and daily activity, plus heart health, stress, metabolic signals, and women’s health indicators. This ring works quietly in the background, so you can focus on your day or unwind at night.

Key benefits at a glance

• Smart Sensing adapts to you for accurate, day-and-night tracking of your health signals.
• Comprehensive metrics include sleep, activity, stress, heart health, and women’s health insights.
• Up to 8 days of battery life with no screens or vibrations to distract you.

The kit includes sizing to help you find a comfortable fit before you buy. This ensures reliable data and a comfortable wear for everyday use.

What’s included and how it helps

• Sizing Kit to ensure a precise fit for accurate readings.
• Multi-ring support lets you switch finishes in the app for a fresh look without buying a new ring.
• HSA/FSA eligible for eligible purchases of the ring and accessories.

With your first purchase, you receive a month of Oura Membership, giving you access to guided insights and the full app experience. After that, membership continues at a monthly rate.

Whether you’re an athlete refining workouts, a professional balancing stress, or someone tracking menstrual health, Oura Ring 4 aims to be a helpful companion. It’s designed to be worn day and night, with a comfortable profile that’s easy to forget—until someone notices how good you’re feeling.

What to expect in the box

• Oura Ring 4 in a silver finish, sizing kit, charging dock, and quick start guide.
• Packaging designed for easy setup and gift-ready presentation.

Compatibility and use

• Android and iOS compatible with the Oura App for insights and trends.

In real life, many users notice how the ring sits lightly on the finger and blends into daily routines. The data can support morning routines, travel days, or late workouts, and thoughtful trends emerge over weeks and months to inform your next steps.