This pedal is fricken cool and in mint condition. It listens to your chords & rhythm and throws down drums and bass to match. 12 different styles of drums and bass for each genre, with 4/4 and 3/4 timing. Selectable music genres with different FX options for each. Tempo control. Alt time. You can have 3 different song parts loaded into the Trio and switch between them while playing. Manual and power supply included. Outputs for guitar amp and mixer (can play through just an amp, just a mixer, or both at same time). USB port. Also has headphone jack with volume control. This is a powerful and fun tool. Let's you dive right in to making your own backing tracks and songs.