A 32-key EDIROL MIDI keyboard featuring USB connectivity and multi-function controls. The two knobs on the upper right fader are missing, but operation is still possible. It can also be used as a MIDI interface, which is convenient. Thank you!(^^) - Brand: EDIROL - Model Name: MIDI Keyboard - Connectivity: USB - Features: Multiple control knobs and sliders - Intended Use: For DTM/DAW Thank you for viewing.