Track over 50 health and wellness metrics, and get personalized insights into your sleep, activity, stress, metabolic, heart health, and women’s health. With innovative, AI-powered tools like Oura Advisor, get exclusive access to actionable insights that become increasingly tailored over time. Size 7 (you can order an aura ring sizing kit on Amazon for like $10 if you are unsure of size) Ring is less than a year old, it is tarnished. Please view the video. Priced accordingly. Works perfectly, no flaws with tech Charger included