61 Velocity-sensitive keys - High Quality Mechanism for the Serious Player - Twelve Selectable Velocity Curve Combinations and Fixed Velocity Mode - Comprehensive Connectivity for Maximizing Player's Performance - 27 Fully-assignable Controls: 8 Knobs, 8 Sliders, 9 Switches, and 2 Pedal Ports - Rubber-coated Pitch Bender/Modulation Lever - One GM2 and Fifteen User Memory Set Locations - One GM2 and Fifteen User Memory Set Locations - PCR Editor Software - USB Powered or AC Adaptor (Included) - Switchable MIDI Interface Mode - MIDI IN/OUT Ports - Sustain and Expression Pedal Ports - V-LINK