Konix 88 Keys USB Professional Rubberized Flexible Silicon Black and White Roll-up Piano 88 keys, made by silicon rubber, can roll up Must connect with PC or laptop, work with software Compatible with Cakewalk, Sonar, Cubase, Nuendo, etc. major sequencer software and VST/VSTi MIDI out, you can record & edit music with MIDI software as a MIDI keyboard Support chord sound, black keys is higher than white keys