... / 4x 4 midi interface/ usb drum DescriptionThe MD1001 is a special Portable MIDI Drum that is suitable for amusement, learning, practice, performance ... with the additional features of portable, easy operation, low cost, etc, it is the best choice for drummer! FeaturesPortable, light No ... be similar to MIDI Keyboard One USB port, power supplied with USB USB class compliant for Win XP/Vista and Mac OS ...