61-key MIDI controller, USB connection, equipped with 8 pads and 9 knobs. - Model Name: KeyLab Essential 61 mk3 - Brand: ARTURIA - Display: LCD display - Number of Keys: 61 keys - Connection Type: USB connection - Function: MIDI controller - Number of Pads: 8 pads - Number of Knobs: 9 knobs Thank you for viewing. I purchased this new a few months ago and have only used it a few times. I haven't even removed the film from the center monitor. I've already downloaded the software, and I don't know how to transfer it, so I'm only selling the unit itself. The box is not included.