Icon iKeyboard 5X, USB MIDI Controller Keyboard, 49 Velocity-sensitive keys, Compatible with Mackie Control and HUI protocols, Encoder button with dual function, 3-Segment LED display, 18 Sssignable LED illuminated buttons, 6 Illuminated transport buttons, Pitch and modulation wheel, Metal housing with Kensington lock port, Connections: MIDI Out, USB, Expression and Sustain Pedal, System requirements: Class-Compliant with Windows 7, 8 and 10 (32 and 64 bit), Mac OS X (IntelMac) and iOS, Dimensions (W x D x H): 860 x 189 x 74 mm, Weight: 4 kg, Includes iMap software for easy mapping of MIDI functions