The Akai LPK25 is a high-quality, portable USB Midi keyboard controller designed to allow you to create musical ideas in any environment. Connect via USB, and you can play any sampler or software instrument track.The portable design makes this ideal for the touring music producer or DJ. The keys are also velocity-sensitive, so the LPK 25 is perfect for capturing that real instrument feel. The keyboard also comes with an arpeggiator, another great feature for creating compositions quickly. Another great feature is that MPC Beats isnow included.