Samson's Graphite M25 USB MIDI Controller gives you all the music production control you need for home studio and mobile applications. Packed into an ultra-portable design, the Graphite M25 features a 25-key velocity-sensitive mini keyboard, trigger pads with aftertouch, a full-featured control surface and additional programmable functions for advanced playability and customization. And with iPad/USB bus power and plug-and-play operation, the Graphite M25 makes it easy to express your most dynamic musical ideas, no matter where creativity strikes. Features include: ·¦25-key velocity-sensitive mini keyboard ·¦Ultra-portable design, perfect for home studios and on-the-go applications ·¦Programmable master encoder, eight MIDI assignable knobs and transport controls for hands-on control over your DAW and virtual instruments ·¦Four velocity-sensitive trigger pads (two banks each) with aftertouch for drum sounds and samples ·¦Control Change mode sets trigger pads to send control change messages ·¦Program mode sends program change information ·¦Four customizable Preset options ·¦Dedicated Octave and Sustain buttons, Pitch Bend and Modulation strips ·¦Mini USB port ·¦iPad and USB bus powered ·¦Includes mini USB to USB cable ·¦Free Graphite Editor Software download available