Audio-Technica Digital Wireless Headphone System ATH-DWL550 Everything is included except the warranty. (Headphones, transmitter, AC adapter, instruction manual) Head pad and ear pads are damaged. *Replacement ear pads are available on the official website. Power-on confirmed. It works fine in my home. I am not familiar with electrical appliances. ⚠️I cannot answer questions about how to use it. ⚠️Please contact the manufacturer for any questions after purchase. Returns are not accepted under any circumstances. Please confirm everything carefully and only purchase if you agree. Audio-Technica Model Name: ATH-DWL550