Description: Connect cable "IN" to MIDI "OUT". Connect cable "OUT" to MIDI "IN". Plug USB cable into any USB socket transport on computer. Open music software program ( , Sonar, MIDI Connections, etc. ) Set music programs and MIDI out devices to "USB Audio Device". To save potential problems, it is recommended that this interface is always connected to the same USB as it was originally installed on USB to prevent multiple driver installations. Specification: Model: UM-18 Name: USB to MIDI cable Transmission Speed: USB 2.0 high speed (480 mbps) /USB 1.1 full-speed (12 mbps) USB connection socket calculator, composite plug and play with USB audio equipment specific class v2.0 USB power bus 500 miliamps 16x midi input channels 16x midi output channels 2x five-pin round plug: midi input / output separately and electronic instruments "midi out" and "midi in" connection port USB cable length: 1.5m, midi wire length 0.5m LED indicator: power indicator-red LED midi signal-blue LED System support: win 98 / me / 2000 / xp / vista (32bit / 64bit) / win 7 / WIN8 / WIN10 (32bit / 64bit) / MAC OS 9.x / 10.x / linux drives Package Includes: 1 Piece USB to MIDI Connect Cable Note: 1. Please understand due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3cm differences due to manual measurement.