Function: Easy to turn your PC into a music studio Start by connecting an electronic musical instrument to your computer with the supplied USB MIDI cable Within minutes you'll be able to play songs while they are being recorded on your PC With appropriate software, you can overdub additional instruments, then edit, mix and even print sheet music of your final compositions Features: Latest model with a built-in driver True plug & play; just plug it to any USB port on PC & it'll install itself 1-in/1-out MIDI interface 16 MIDI input channels/16 MIDI output channels MIDI activity indicators for each port USB bus powered; requires no external power Extremely compact and lightweight Length: 1.8 m