MIDI keyboard with a compact 25 keys and 8 pads, featuring an arpeggiator function. - Model Name: MPK mini play - Brand: AKAI - Features: Arpeggiator, internal sounds, effect adjustment - Number of Pads: 8 pads - Number of Keys: 25 keys - Control Knobs: 4 knobs - Color: Black - Volume Adjustment: Volume knob included Thank you for viewing. The "Mi" note is difficult to play. It works if you hit it a little harder. Please consider this as a junk item.