Oura Ring 4 Rose Gold – Size 5 | AI Advisor, Sleep & Activity | 8-Day Battery | Android & iOS

Meet Oura Ring 4

Oura Ring 4 is the latest evolution of the wearable ring, merging a refined all-titanium build with Smart Sensing and an AI Advisor to bring you meaningful insights from over 50 metrics. It tracks sleep, readiness, activity, heart health, stress, metabolic health, and women’s health, offering a continuous data stream day and night. With up to 8 days of battery life and a lightweight profile, the ring stays discreet on your finger while you explore trends and patterns in the Oura App.

Smart Sensing that adapts to you

Smart Sensing doesn’t just collect data—it adapts to your rhythms, delivering accurate observations as your days unfold. The system continuously monitors and interprets your data, so you can understand your habits without manual input.

Key benefits at a glance

• 50+ health metrics including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health
• Adaptive sensing that adjusts to your routines for ongoing, relevant data
• Up to 8 days of battery life with no screens or vibrations to interrupt moments
• Sizing Kit helps you confirm a precise fit before purchase
• First month of Oura Membership included for new members
• HSA/FSA eligible for the ring, chargers, and shipping where available

Everyday wear, real-life use

Designed for daily wear, Oura Ring 4 remains comfortable whether you’re exercising, relaxing, or socializing. If you own two or more finishes, you can switch between them in the Oura App, letting you change looks without sacrificing data continuity.

Getting started

Accurate sizing matters—use the included Sizing Kit to confirm your fit before buying. The ring pairs with both Android and iOS devices through the Oura App, keeping your insights synchronized across your devices. For new members, the included monthly membership unlocks a longer window of personal data and guided insights.