midiplus X4 mini MIDI Keyboard Controller， White<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> X4 mini MIDI keyboards which have 49 weighted keys respectively. X mini MIDI keyboard is hot plug supported. No driver is needed. It is powered by USB and no external power supply is needed. </span></li><li><span class="a-list-item"> 3 segment backlit LED. Capacitive touch sensors to control PITCH and MODULATION. Featured with SHIFT for customized functions and OCTAVE/TRANSPOSE. </span></li><li><span class="a-list-item"> 4 customizable knobs; Default setting: T1 (Volume)， T2 (Pan)， T3 (Expression Controller)， T4 (Reverb).ATTACHMENT manual cable </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31sNPJPYdnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/318pOTXeiHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41W5H9zCFBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Oh3Uvg51L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZipZ4KJsL.jpg" noproxy>