The Source Audio C4 Synth is an extremely versatile synth pedal for guitar or bass.  Using Source Audio's Neuro Editor software, this pedal can access infinite possibilities.  There are 128 factory presets, a USB port, and a three-way physical preset switch.  The pedal also accommodates a 3rd party MIDI controller as well.

The pedal is fully functioning.  There are no visible blemishes, but there is purple velcro on the bottom of the pedal.