Oura Ring 4 [Size 5] (Gold) LimitedStock To maintain optimal cleaning performance

To maintain optimal cleaning performance and extend the machine's lifespan

Even the charging case is IPX2 water-resistant

released in 2014

“In my mind

Oura Ring 4 [Size 5] (Gold) LimitedStock To maintain optimal cleaning performanceIntroducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most your health. The updated all titanium design is powered by Smart Sensing, a new sensing platform that doesnt just measure your biometrics, it adapts to you, providing insights into over 50 biometrics including sleep, readiness, activity, heart health, stress and womens health. Oura Ring quietly and comfortably monitors your