MIDI KEYBOARD: THE THEORYBOARD THY333 BY IRIJULE À ASNIÈRES SUR SEINE

I am selling my Theorybord, bought last year.  It's like new, I only used it 4 or 5 times, because I don't have enough time.. TECH SPECS Enjoy effortless access to all of the melody notes and chords that the rules of music theory have to offer - entirely condensed into one MIDI controller. 840 Chromatic and Diatonic Scales, Chords + Melody 1,981,808,640 Possible Chord Combinations via the Theory Engine (Patent) 96 Velocity Sensitive Keys with Polyphonic Aftertouch 24 Hot Swap Keys for on-the-fly Direct Modulation & Modal Interchange scale switching 96 RGB LEDs provide visual link between chord side and melody side Touch Screen Display with OLED Screen On-the-fly Chord Augmentation (Spread, Voicing, Octave) Octave Stacking Technology Pentatonic Scale Systems Guitar Voicing Feature Live Note Update Function Ports: USB MIDI, TRS-A MIDI Out, TRS Sustain In, 5V Power In Compatible with computers, synthesizers, and mobile devices Dimensions: 27.25” x 5.5” x 0.9” Shipping is $50 through UPS pack and ship.