To experience the difference!It is easy to turn your PC into a music studio through this Converter Adapter. Just connect the USB cable into your computer， and your MIDI interface connection is completed. With appropriate software， you can overdub additional instruments， then edit， mix and even print sheet music of your final compositions.Besides， our worry-free customer service， secure shopping， unbeatable prices will make you a happy shopping.                                    Features            High quality product， brand newUSB powered and Class Compliant for true plug !#!amp!*! play1 in + 1 out MIDI interface; 16 MIDI input channels， 16 MIDI output channelsLED&acute;s indicate power on， MIDI in signal and MIDI out signalSupport Windows XP / Vista and Mac OS X operating systemsMake Music record by connecting a music keyboard to your computer with the USB MIDI cable with input / output                                                            Specifications            Connector    USB to MIDI    <br>Cable length    6 Feet (about 192 cm)    <br>Color    Transparent !#!amp!*! Black    <br>Weight    90 g / 3.17 oz    <br>                                                            Package Includes            1 x USB to MIDI Converter Cable for Keyboard Interface                                                            Extra Info             Instructions for Use:<br>1. Connect the cable marked "IN" to the MIDI "OUT" socket of a MIDI keyboard(or MIDI device)<br>2. Connect the cable marked "OUT" to the MIDI "IN" socket of a MIDI keyboard(of MIDI device)<br>3. Plug the USB cable into any free USB socket on your computer the red LED will light to show power on<br>4. Open your music software program e.g. Cubase Sonar MIDI Connections ect<br>5. Set the music programs MIDI in and MIDI Out devices to "USB Audio Device"<br>6. Your USB to MIDI interface is now ready for use<br>7. 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 driverNote: As long as the product could connect to your computer， take windows XP for example， if it could discover new hardware，and can correctly identify， it shows that this product is working correctly.For downloading MIDI software and setting software， please search tutorial on line. We are only responsible for the line quality problems.