Features:  -Mac/PC compatible–class-compliant so no driver installation is necessary.  -MIDI or USB connectivity.  -16 velocity and pressure sensitive LED backlit pads for ultimat e feel and control.  -3 switchable pad banks for a total of 64 pads.  -5 high-resolution 360-degree assignable knobs.  -8 assignable sliders.  -26 assignable buttons.  -bright, easy-to-navigate LCD display.  -programmable, recallable banks for use with your Desktop Audio Workstation,sequencer, software or hardware synthesizer or module.  -Function buttons, providing functions like, EDIT, GLOBAL, LEVELS, PRESET,PROGRAM CHANGE and etc.  -1XMIDI out,1 MIDI in.  -Compatible with Win10/8/7/XP/Vista and M.ac OSX.  -Power supplied by USB and DC 9V.     Specifications:  Color: Black;  Material: Plastic;  Power Supply: DC 9V Power Adapter(Not included) or USB Cable(Included);  Operating System: Support for Win10/8/7/XP/Vista and Ma.c OSX;  Item Size: 33 * 30 * 6cm / 13 * 11.8 * 2.4in;  Item Weight: 1324g / 2.9lb;  Package Size: 40 * 35 * 9cm / 15.7 * 13.8 * 3.5;  Package Weight: 1856g / 4.1lb.     Package List:  1 * MIDI Pad Controller;  1 * USB Cable.