This is a Roland TR-09 Rhythm Composer. Operation has been confirmed. It was used in a home studio environment. There are minor scratches and signs of use on the main unit, but there are no noticeable large scratches or damage. All knobs, buttons, sound output, and sequencer operation are working without any problems. The included accessories are as follows: ・Main unit ・USB cable ・Original box (with scratches and signs of aging) Everything in the photos is included. 【Main Features】 ・Roland Boutique series that reproduces the legendary TR-909 ・Thick and punchy drum sounds through analog modeling ・Step sequencer operation similar to the original ・USB audio/MIDI compatible ・Compact and ideal for both live performances and production This is a standard piece of equipment for producing techno, house, and electro music, and it's a model updated for ease of use in modern environments. Please understand that this is a used item before purchasing.