This Oura ring works great! There are some stuffs, so please see photos. Original box and charger included. Sleek uninterrupted design. App membership required. Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 3 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night *Can I use Oura Ring 3 without a subscription? Without an active membership, you'll only be able to see your three daily Oura scores (Readiness, Activity, and Sleep), ring battery, basic profile information, app settings, and the Explore content.