2M USB MIDI Interface Cable Line Converter PC to Music Keyboard Adapter USB 2.0 to MIDI Converter Adapter Cable Features: Brand new and high quality. USB Powered and Class Compliant for true plug & play. Just connect to a computer USB socket for automatic installation of the driver. 1 in + 1 out MIDI interface; 16 MIDI input channels ,16 MIDI output channels. LED's indicate power on,MIDI in signal and MIDI out signal. Supports Windows XP/Vista and Mac OS X operating systems. Make Music recording by connecting a music keyboard to your computer with the USB MIDI cable with input/output. USB to MIDI keyboard interface converter In/ Out cable. simply connect the USB cable into your computer, and your MIDI interface connection is completed. Length: approx 2M. Instructions for use: Please follow these steps. Connect the cable marked "IN" to the MIDI "OUT" socket of a MIDI keyboard (or MIDI device). Connect the cable marked "OUT" to the MIDI "IN" socket of a MIDI keyboard (or MIDI device). Plug the USB cable into any free USB socket on your computer, the red LED will light to show power on. Open you music software program, e.g. Cubase, Sonar, MIDI connections, etc. Set the music in programs MIDI in and MIDI out devices to "USB Audio Device". Your USB to MIDI interface is now ready for use. To save potential problems, it is recommended that this interface is always connected to the same USB as it was originally installed on to prevent multiple installations of the driver. Package Included: 1 x USB to MIDI Converter Adapter