Oura Ring Gen 4 Smart Ring Health & Activity Tracker Size 11 | Stealth | JZ90-54218-11

• Full titanium body with recessed sensors for improved comfort and durability.
• Smart Sensing™ platform adapts to your physiology with 18 signal paths increasing sensor accuracy.
• Tracks advanced biometrics: heart rate, HRV, respiratory rate, SpO₂, skin temperature, and activity automatically.
• Up to 8 days battery life and fast charging via redesigned metal dock.
• Expanded sizing options—now available in sizes 4 to 15—for a better personalized fit.
• Redesigned Oura App with Today, Vitals, and My Health tabs offering deeper insights and women’s health features like pregnancy & perimenopause tracking.

The Oura Ring Gen 4 is a premium wearable designed to deliver accurate, holistic health insights through a sleek, all-titanium smart ring. Featuring its revolutionary Smart Sensing™ technology, recessed sensors, and an extended battery life of up to 8 days, it offers sleep, recovery, and wellness tracking in a comfortable and durable form.