USB MIDI (Musical Instrument Digital Interface) keyboard controller with 25 velocity-sensitive keys and octave up / down buttons to access the full melodic range perfect virtual synthesizer control -- 4-way thumbstick for dynamic pitch and modulation MIDI control, plus a built-in arpeggiator with adjustable resolution, range and modes -- Plug & Play. No drivers required, USB powered and ultra portable design lets you create anywhere -- Beat Maker Essentials - 8 backlit velocity-sensitive MPC drum pads with Note Repeat & Full Level for programming drums, triggering samples and controlling virtual instrument / DAW controls -- 8 fully-assignable Q-Link knobs for mixing, tweaking plug-ins and more. Get free MPC Beats software at https://www.akaipro.com/mpc-beats.