I accidentally bought two of these, so I'm selling one. I've confirmed that it works. The USB type-C charging cable is missing. The battery level remained at 100% even after using it for an hour from a full charge. Please check the images for any dirt or scratches. Included items: ・Headphone unit ・Outer box ・Headphone cable (approx. 1.2 m) ・Carrying case ・Airplane plug adapter Sony Model Name: WH-1000XM4