It is fully functional, although there are minor scratches from use. The original power adapter is included. Please note that the power may cut out if the power adapter plug is moved. The product will be packaged with multiple layers of cushioning material on each side. Additional cardboard boxes are available for the following fees, please contact us before purchase: Roll cardboard: 2000 yen Box cardboard: 3000 yen The PR-300S is equipped with five tracks and incorporates a sequencer that allows for easy performance and recording, as well as a rich GS format-compatible sound source as a 16-part multi-timbral sound module. It can be used with MIDI-compatible electronic pianos, but it truly shines when paired with a Rodgers organ. Features of the PR-300S ● Easy Operation You can perform and record with simple operations like a cassette recorder. ● Equipped with Five Tracks You can play, and record using five tracks (4 tracks + rhythm track). ● Equipped with a GS Format-Compatible Sound Source The PR-300S is equipped with a "GS" format sound source. The GS format unifies the way sound sources work so that a single song can be played the same way on different sound source devices. When used with only the PR-300S, you can select sounds from 354 high-quality and diverse tones for each of the 15 parts out of the 16 parts. For the remaining one part (rhythm part), you can select a set of rhythm sounds from 10 drum sets. When used with a Rodgers organ, you can play 9 tone parts and 1 rhythm part. ● Convenient Edit Functions It has functions such as cut & paste, quantize, and punch-in/out recording, which allow you to easily modify the created data. ● Plays Standard MIDI Files You can play Standard MIDI files created to play sound sources compatible with the GM system and GS format. You can use various types of song data.