Oura Ring 4 - Stealth - Size 11 - Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Before You Buy, Android & iOS Compatible, Smart Ring, Oura App

ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is power