The MIDISTART MUSIC 25 comes in a black aluminium case! It is fully USB powered and works class compliant under Windows XP, Vista, Windows 7 and Mac OS X - this is real plug ‘n’ play! It combines great look with extensive functionality to an attractive price! 25 full sized dynamic high quality keys Pitch bend/modulation joystick Data entry slider Shift function button 4 different velocity curves Function buttons for Octave +/- USB connector USB MIDI, MIDI out Connector for sustain pedal  Colour: black • USB buspowered Class compliant - works driverless with Mac OS/X, Apple iOS 4.2, Windows XP SP2, Windows Vista, Windows 7, 8 and Windows 10 Inclusive: free Miditech software bundle (download versions): Toontrack EZ Mix 2 lite, Magix Samplitude Pro X 2 Silver, Magix Indepence free, Waldorf Edition LE, Makemusic Finale Notepad, Ik Multimedias Amplitube CS and Imagelines Poizone Synthesizer Dimensions: B/H/T: 38 cm x 8 cm x 24 cm  Colour: Black