The Oura Ring 4 is a premium titanium smart ring built for detailed sleep, recovery, and biometric tracking in a sleek, all-day wearable design.
Powered by Oura’s Smart Sensing technology, it tracks sleep stages, heart rate variability, blood oxygen, body temperature trends, and stress levels, syncing to the Oura app for guided wellness insights.
This device supports general wellness tracking and is not a substitute for medical advice or diagnosis.
Product Specs
- Material: All-titanium body
- Tracking: 30+ biometrics including HRV, SpO2, body temperature
- Battery life: Up to 8 days, depending on usage and ring size
- Connectivity: Oura app, iOS and Android
- Note: Full app functionality requires a membership subscription
How People Use the Oura Ring
- Overnight wear to track sleep stages and readiness scores
- Daily wear for stress, activity, and recovery insights
- Reviewing longer-term wellness trends through the app
- As a lightweight alternative to a wrist-based fitness tracker
Build & Finish
The titanium body is finished for durability and comfort during 24/7 wear; some users note it performs better as a sleep and recovery tracker than as a dedicated workout tracker.
Care
Clean with a soft, damp cloth and avoid harsh chemicals. Charge regularly and store in the provided case when not worn.
Who It’s For
Best suited to people focused on sleep quality, recovery, and long-term wellness trends who want detailed data in a comfortable, discreet ring. For straightforward heart rate, sleep, activity, and sports tracking without an ongoing membership fee, consider a smart health tracking ring as an alternative.













