Korg nanoKEY 2 black, USB-MIDI Controller, Keyboard: 25-Key-Keyboard with velocity sensitivity and 4 velocity-curves, Pitch-Buttons (Up/Down), Octave-Shift-Button (octave range -4 to +4), Modulation-Buttons, Sustain-Buttons, Connector: USB-Mini, Power supply via USB (less then 100 mA), Dimensions (W x H x D): 325 x 13 x 83 mm, Weight: 244 g, Supports Apple iPad upward from OS 4.2.1 - Requires: Apple Camera Connection Kit (not included), iPad App must support Core MIDI (KORG does not guarantee compatibility; Problems may occur, if Apple updates the OS and/or introduces new models!), Active USB hub recommended, Colour: Black, Incl. USB-Cable and software bundle