... flexible CE & ROHS approval Introductions: Midi drum is a special Portable MIDI Drum that is suitable for amusement, learning, practice, performance ... , and music edit. And with the additional features of portable, easy operation, low cost, etc, it is the best ... softwareSpecifications:USB Roll up drum kit1pcDrum stickers2pcsUser Manual1pcDimension13"x8" Midi electric drum with drum stick