COMES WITH UNIT AND POWER CORD -- note this is a MIDI controller and does not have any built in speakers.
The Evolution MK-225C is a 25-key (2-octave) MIDI controller keyboard. The controls include pitch / mod wheels, a numeric keypad and eight assignable rotary pots. The unit also features a USB MIDI interface, allowing direct interfacing with a computer.
The MK-225C has an octave shift of –4, +5 and full polyphony, giving access to all available MIDI notes.
user manual: https://www.manua.ls/evolution/225c/manual