B-Stock, Alesis DM Dock, Drum Module Dock for iPad, Compatible with any 30-pin or lighting iPad, Works with virtually any app including GarageBand, 13 individual 6,3mm TRS trigger inputs for connecting drum and cymbal pads and other triggers, Works with dual-zone drum and cymbal pads, continuous Hi-Hats, three-zone rides, and multiple chokeable cymbals, Hinged door completely encloses and secures your iPad, Mounts to any stand or rack using the Alesis Module Mount (sold separately), 6,3mm Headphone jack with volume control, 3,5mm Mix Input for mixing in external audio sources, Balanced 6,3mm stereo main outputs for connecting to an amp or PA, MIDI input and output for connecting to external MIDI hardware, USB MIDI port for use with MIDI software applications or your Mac or PC, Powers and charges iPad using universal wall power supply, Assignable footswitch input for program changes, start/stop sequences or metronome, no iPad or Apps inlcuded, , B-Stock with full warranty, may have slight traces of use