This is a complete set of the SONY digital surround headphone system "MDR-RF7500". It supports HDMI connection, allowing you to enjoy movies and games with powerful surround sound. ■ Operation Confirmed ・Confirmed that audio and video are output correctly when connected to Nintendo Switch 2 and TV. ・Wireless connection is also stable, with no practical problems. ■ Condition (Important) ・The ear pads have deteriorated significantly over time (hydrolysis), so they have been removed as shown in the photos. The ear pads themselves are still available, and will be included in a nylon bag to prevent soiling during shipping (please let me know if you don't need them). ・There is also peeling on the headband due to aging, and scratches on the top of the processor. Please check the photos. ■ What's Included (Everything shown in the photos) ・Processor unit (DP-RF7500) ・Wireless headphones (MDR-RF7500) ・AC adapters x 2 types (for processor and charging) ■ Shipping ・Will be cleaned and carefully packed with cushioning material before shipping. ※Please purchase only if you understand that this is an "as-is" item, an older model that requires ear pad replacement.