Swissonic EasyKey 25, MIDI Keyboard, 25 Full-size velocity-sensitive keys, Aluminium housing with plastic side panels, Pitch bend wheel and modulation wheel, LED display, Slider for volume control, 1 Programmable encoder, Octave button for expanding the playing range, 1 Pedal connection, 1 MIDI output, Power supply via USB, Compatible with Windows Vista, XP (from SP1), Windows 7, Windows 8 and Mac OS X, Dimensions (W x D x H): 495 x 210 x 50 mm, Weight: 2.83 kg, 1 m USB cable included