I'm selling this because I no longer use it. Operation has been confirmed. Velcro for attaching to an effects board is attached to the back. *I will not include the adapter because the cord is about to break, but I have attached a picture for reference. Vocal synthesizer equipped with a variety of effects. - Model: TC-HELICON Voicetone Synth - Input Type: Mic Input - Effects: HardTune, Vocoder, Synth - Controls: Tone, Key, Preset, Major, Minor, Auto - Footswitches: 2 (Preset, On) Thank you for looking.