Oura Ring 4 - Silver, Size 13 | Sleep, Activity & Women's Health, AI Advisor, Up to 8 Days Battery

Overview: the next evolution in personal wellness tracking

Meet the Oura Ring 4, a sleek all-titanium ring designed to stay comfortable while you pursue daily goals. Powered by Smart Sensing, it doesn’t just log biometrics; it adapts to you to provide data across more than 50 health metrics, including sleep, readiness, activity, heart health, stress patterns, metabolic signals, and women’s health indicators. The insight you receive is descriptive and contextual, intended to help you understand patterns rather than promise outcomes.

What makes it different

Smart Sensing adapts to your unique rhythm, delivering continuous data without constant input. Worn on the finger, it stays discreet through workouts, meetings, and evenings, so you can learn about your routine in real time.

• Tracks 50+ health metrics across sleep, activity, heart health, stress, metabolism, and women’s health
• Adaptive sensing provides relevant data day and night without forcing interruptions

Battery life, comfort, and fit

With up to 8 days of battery life, you can wear the ring through a full week without charging. The all-titanium build is lightweight and designed for daily wear, while a sizing kit helps you find the perfect fit before you buy.

• Up to 8 days of battery life with no screens or vibrations
• Unique sizing kit ensures a precise fit before purchase

Getting started and ongoing value

The purchase includes an initial Oura Membership month for new members. After the trial, membership is available at a modest monthly rate. If you own multiple finishes, you can switch between them in the app, giving you greater styling flexibility. The ring also supports HSA/FSA eligibility for eligible items including the ring, chargers, and shipping.

• First month of Oura Membership included; ongoing membership is $5.99/month
• Multi-ring support lets you switch finishes in the app when you have multiple styles
• HSA/FSA eligible for the ring, chargers, and shipping

Practical, real-world use

Wear it while you sleep to observe nightly patterns and while you’re active to track daily trends. The accompanying app presents clear visuals and trends over weeks and months, helping you explore what feels right for you without overpromising results.