Professional USB IN-OUT MIDI Cable PC Adapter for Music Electronic Keyboard Cable ConverterDescription:1. This MIDI interface cable is self-powered and can be conveniently plugged into a computer's USB port, without the need to disassemble tools or the computer.2. This is the easiest and most convenient way to connect your keyboard or controller to your computer via USB. No need for additional cables - this interface comes with integrated USB and MIDI cables as part of its robust design.3. It provides one MIDI input port and one MIDI output port, with each MIDI port supporting 16 MIDI.4 channels. Easily turns your PC into a music studio and gives you the power to play songs on a keyboard or other controller.5. Then, mix and edit them on your home computer or laptop using any sequencing or recording software you have installed. Feature: Easy to install with built-in driver, powered by USB port, no AC adapter needed. 16 MIDI input channels and 16 MIDI output channels. Powered by computer USB port, no AC adapter needed. 3 active indicators for each midi port: Power On-Red, Play-Green, Record-Blue. Support Windows 7/ 10/ 98SE/ ME/ 2000/ XP Mac OS 9x and Vista.Specification: Product Size: 1900X30X10mm/74.8X1.18X0.39"Note:1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you!2. You are welcome