Oura new Smart Sensing technology provides enhanced accuracy, deeper personalization, and longer battery life.

Sleek, fully-titanium design and discreet sensors provide 24/7 comfort.

Oura Ring 4 battery can last over a week — so you can go days without even thinking about charging.**

Oura Membership translates your body's data into actionable insights personalized to your unique needs. With innovative, AI-powered tools like Oura Advisor, get exclusive access to actionable insights that become increasingly tailored over time.

• Heart Health
• Sleep & Rest
• Activity & Movement
• Stress
• Women’s Health
• Metabolic

Notes:

* Your Oura Membership will automatically renew on a monthly or annual basis until you cancel. You may cancel at any time. Cancellation will take effect at the end of your current automatic renewal term. Canceling does not entitle you to a full or pro-rated refund of any paid fees. If you do not cancel before the end of any free trial or any prepaid membership term, your Oura membership will automatically renew and you will be charged at the applicable rate for your selected membership term.

** Battery life and longevity depend on Oura Ring size, Oura App settings, feature configuration, activity, battery age, usage, and many other factors; actual results will vary. Battery life and charge cycles vary by use and settings. Battery tests were conducted across various sizes and scenarios.

What's In the Box:

• Size-specific charger
• USB-C cable

Product Features:

• Typically charges in 20-80 minutes, depending on battery level
• Automatic firmware updates via Oura App
• Supports airplane mode
• Integrates with 40+ apps
• Supports metric and imperial units of measurement
• Digital sensor measures temperature trends