Akai Professional MPD218 MIDI Pad Controller with Download Software Package nd The front panel also includes The front panel also includes a 5 V USB port for charging your cell phone or other compatible USB devices Try them out for yourself all in a compact USB powered controller that's easy to drop into any studio setup and other software parameters with hands on precision• Three pad and control banks access up to 48 pads and 18 assignable controls without changing your workflow• Classic MPC performance functions Note Repeat and Full Level features make it easy to create authentic MPC style rhythms and expressive performances• USB powered plug and play operation class compliant design works seamlessly with Mac