Simple cleaning, operation confirmed. Adapter and batteries both confirmed. As shown in the photo, the black rubber part above the yellow COMPRESSOR logo is missing. Other than that, there are scratches, but there are no problems with use. Instant purchase OK. Thank you. [Features of the Effector] This COMPRESSOR effector has three control knobs: LEVEL, SUSTAIN, and ATTACK, for adjusting the sound quality. This allows players to create sounds tailored to their preferences. [Input/Output Terminals] Equipped with IN and OUT terminals, making it easy to connect to other devices. It also has a TCO 1 terminal, offering further expandability. [Condition] Overall, it shows signs of use, but there are no functional problems. Ideal for those looking for a guitar effector. - Model Name: COMPRESSOR - Control Knobs: LEVEL, SUSTAIN, ATTACK - Input/Output Terminals: IN, OUT - External Connection Terminals: TCO 1 - Color: Silver - Condition: Used Thank you for viewing.