Compact 25-key MIDI keyboard with 8 pads and 8 knobs. - Brand: AKAI - Model Name: MPK mini - Number of Keys: 25 keys - Number of Pads: 8 pads - Number of Knobs: 8 knobs - Connection Terminal: USB connection - Color: Black Thank you for looking. I connected it to my computer once for setup and haven't used it since. It's almost like new, but it was left out of the box. I cleaned it carefully. The box has Amazon tape and an Amazon shipping label residue.