88 keys professional MIDI keyboard. Can be hand-carried?? it can also be rolled up for easy storage in hand bag or carrying case.</br>So easy to play?? record and edit your music and makes you feel absolutely the same as real piano</br>Power supply by USB. Compatible with Win XP/Vista/7/8 and Mac OSX?? drive free and hot plug supporting.</br>Compatible with Cakewalk?? Sonar?? Cubase?? Nuendo?? etc. major sequencer software and VST/VSTi.</br>Perfect choice for kids?? beginners. Roll it up and put it inside the included pouch for easy storage or travel with ease.</br><br/>http://www.amazon.com/gp/product/B01I9F3KDG