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