A set of Yamaha DX7 Voice ROM 105 data cartridge, user's manual, and box. I confirmed the operation and loading before listing. The ROM cartridge is in quite good condition. Please judge the condition from the photos. The instruction manual has some yellowing and sun damage. If you are concerned about the condition, you may want to refrain from purchasing. Please understand that this is a used item. - Model: DX7 Voice ROM 105 - Data Cartridge: Yamaha Data Cartridge - Accessories: User's Manual - Product Type: Sound Effects Group Thank you for viewing.