Oura Ring 4 [Size 13] (Stealth) NoLongerAvailable Rechargeable lithium battery that provides

Rechargeable lithium battery that provides up to 12 hours of continuous playback

Leaves skin soft and smooth

Scan directly to network folders and email for co-workers to access instantly

camping and caravanning or simply reducing your carbon footprint with daily use

Oura Ring 4 [Size 13] (Stealth) NoLongerAvailable Rechargeable lithium battery that providesIntroducing 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 30 biometrics including sleep, readiness, activity, heart health, stress and womens health. Oura Ring quietly and comfortably monitors your