IK Multimedia iRig Keys Pro full-sized 37-key MIDI controller for iPhone, iPad, Android and Mac/PCThe iRig KEYS PRO 37 Key Controller for iOS from IK Multimedia is a 3 octave, 37 velocity sensitive key controller for Mac, PC, Android and iOS devices. It supports MIDI, and will work with any compatible virtual instrument. The KEYS PRO has a mini potentiometer as well as octave up and down and program up and down buttons. The controller can be powered by your iOS device, Mac, or PC or via USB. A download code for SampleTank 2 is included along with