IK Multimedia iRig Pads MIDI groove controller for iPhone, iPad and Mac/PC - IPIRIGPADSIN Ultra-portable MIDI pad controller and groove production station for iPhone, iPad and iPod touch plus Mac and PC Extremely small size with a slim form factor that can be taken with you anywhere 16-velocity-sensitive backlit rubber pads that light multiple colors depending on velocity and outgoing and incoming MIDI messages Two MIDI knobs, two pushbuttons, one slider and a pushbutton rotary encoder, all programmable 16 user-programmable MIDI scenes for instant recall of custom MIDI maps