Features: Easy to Use: Just connect this converter to a USB socket, needs no adding driver installation or power supply. Smart LED indicator: With a LED light that shows the state, red for power, blue for MIDI signal. Great compatibility : Suitable for various brands of computers, and suitable for many kinds of digital instruments like electronic keyboard, electronic guitar, etc. Applicable for cubase and cakewalk and many other software. Professional & Durability: Adopts good materials and chip, resistant to electromagnetic interference , and can give you nice performance of high fidelity transmission with low latency. Necessary: A good tool for MIDI musician. Lightweight and portable. Specification: Material: Metal Color: Shown as picture USB Cable Length: Approx. 19.5cm / 7.68in MIDI Cable Length: Approx. 225cm / 88.58in Weight: Approx. 119g Suitable for Windows XP, Vista, Win 7, Win 8, Win 10 and Mac OS X Package List: 1 x MIDI to USB Cable Converter Attention: If your USB Port is USB-C (Thunderbolt 3), please use original authentic USB-C to USB Adapter from the manufacturer or MIDI interface may not work Instructions: 1. Connect the cable marked "IN" to the MIDI "OUT" socket of a MIDI keyboard (or MIDI device). 2. Connect the cable marked "OUT" to the MIDI "IN" socket of a MIDI keyboard (or MIDI device). 3. Plug the USB cable into any free USB socket on your computer. 4. Open your music software program, e.g. Cubase, Sonar, MIDI Connections, etc. 5. Set the music programs MIDI in and MIDI out devices to "USB Audio Device". 6. Your USB to MIDI interface is now ready for use. 7. To save potential problems, it is recommended that this interface is always connected to the same SUB as it was originally installed on USB to prevent multiple installations of the driver. .