ABOUT SANOXY®SANOXY® is trademarked brand. Exclusively marketed by authorized resellers on amazon.com. Features:1.Simply connect the USB cable into your computer, and your MIDI interface connection is completed.2.Easy to turn your PC into a music studio, start by connecting a music keyboard to your computer with the supplied USB MIDI Cable.3.USB powered and Class Compliant for true plug & play.4.16 MIDI input channels ,16 MIDI output channels.5.LED"s indicate power on,MIDI in signal and MIDI out signal.6.Supports Windows XP/Vista and Mac OS X operating systems.7.Make Music recording by connecting a music keyboard to your computer with the USB MIDI cable with input/output.SANOXY® offers variety of consumer technology solutions such as cables & adapters, computer networking devices, Hard Disk Enclosures and Touch Screen Smart Phone Accessories, Presentation and Stylus PensInstructions for use: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 your music software program, e.g cubase, sonar, MIDI Connections, etc.Set the music programs MIDI in and MIDI out devices to "USB audio device"