Feature: 1. It's 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! 2. With appropriate software, you can overdub additional instruments, then edit, mix and even print sheet music of your final compositions. 3. Lastest version with a built-in driver 4. USB Powered and Class Compliant for true plug & play.Just connect to a computer 5. USB socket for automatic installation of the driver. 6. 1 in and 1 out MIDI interface; 16 MIDI input channels & 16 MIDI output channels 7. LED's indicate power on, MIDI in signal and MIDI out signal 8. Supports for Windows XP, for Vista and for Mac for OS X operating systems