... a special Portable MIDI Drum that is suitable for amusement, learning, practice, performance, and music ... low cost, etc, it is the best choice for drummer! FeaturesPortable, light No need to install, ... , power supplied with USB USB class compliant for Win XP/Vista and Mac OS X, without additional ... Nuendo and any other major sequencer softwareSystem Requirements: Win XP/ Vista / 7 or Mac OS XGeneral ...