Been using since July and have had no issues. I used it with my natural cycles app, but no longer need to use that, hence why I don’t need the ring anymore. Has some minor scratches Charges perfectly and fast This ring works like brand new, so I am firm on the listed price. The only downfall of it is the minor scratches. What’s included: Oura gen3 size US7 ring Gen3 Charger Original box Manual guide