Oura Ring Gen 4 - silver - size 6- new, never used

Oura Ring 4 -new never used - Silver - Size 6 - Smart Ring - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more