Scratched, developed a patina, but it works fine! Purchased Nov 2023. Has charger stand for size 9. —must know your OURA size! —order sizing kit/go to electronics store in person —I charge it everytime I bathe, so battery is always ready No USB-C included. Membership not included —Not necessary (subscription through Oura app) From OURA: Materials: Titanium exterior, epoxy interior —Raised interior domes (sensors) at 1.3mm —Water resistant up to 100m/328 ft —Metrics on sleep, activity, fitness, “readiness”, “stress”, cardiovascular, and women’s health (temperature) —Fully charges within 80 minutes and has up to 7 days of battery life.