Control your hardware and/or software synths with the Knobby MIDI controller. ⦁ 4 group buttons allowing 15 groups of 8 knobs gives you 120 programmable controls. ⦁ MIDI merger built in ⦁ Rugged metal casing ⦁ 10"x5"x1.5" ⦁ Includes 4 MIDI cables (2x3', 2x5') The software editor for the Knobby still installs on Windows 10 with no problems. Windows 11 should be OK, too. The controller presently has in memory a preset I created as seen in one of the photos. This can be overwritten using the editor. This MIDI controller is in excellent condition. Email me with any questions.