The unit can run on three AA batteries (a set is included) or on the included USB-A to DC adapter (you'll need your own wall charger). The included instruction manual helps you make sense of what the heck all the knobs, levers, buttons, and lights mean.
The OP-XY is a fan-made MIDI sequencer that reimagines the OP-1's design, enhancing its functionality for electronic music composition and performance.