Thank you for viewing. ◯ Product Contents SONY Digital Surround Headphone System Processor: 1 unit Headphones: 1 Stand: 1 AC Power Adapter: 1 Audio Connection Cord: 1 Operation confirmed. Purchased new over 10 years ago. Recently, it has been stored without much use. The headphones are deteriorated due to age, and the leather is peeling. Please purchase only if you understand this. The optical digital connection cord is missing. I will add it if I can find it. Please ask if you have any questions.