Purchased on Mercari two years ago. Operation confirmed. Includes the main unit, box, AC adapter, and Ampero switch. Also listed on other sites, so if there's a timing overlap, the transaction will be changed to the site where the purchase was made first. Thank you for your understanding. A compact guitar effects unit with digital amp modeling and multi-effects functions. - Model Name: Ampero II Stomp - Connections: Balanced output, input, expression pedal connection - Functions: Multi-effects, digital amp modeling - Power: AC adapter connection - Number of Knobs: 5 knobs (volume, bank switching, etc.) #guitar #effects