midiplus minicontrol USB MIDI keyboard controller 32 velocity sensitive mini size key keyboard. Pitch & Modulation Wheels. MIDI Data volume Slider. Four edit custom unlimited rotary Encoder. Octave up and down. Transpose up and down. This button controls the operation of the Arpeggiator. The keys of six kinds of Scale play style. The keyboard of chord patterns with great chords, small chord, seven chords, small seven chords. Eight velocity sensitive Drum PAD. Drum PAD of A|B button extended to 16 PAD, PAD BEAT button has six time metronome, with NOTE,CC and PC mode Three velocity curve with Norm curve, Heavy curve, Soft cure.Sustain JackUSB bus powered - no additional power adaptor needed