I am not accepting price negotiations. This is a multi-function effects processor, also equipped with a looper and tuner. It works without any problems. Includes adapter. - Model: G3 - Functions: Effects processor, looper, tuner - Input/Output Terminals: Input, Output, Power, USB connection - Power: AC adapter - Bottom: Non-slip, model name displayed I will include the downloaded manual. No returns or exchanges. Thank you for looking.