Specifications:USB power supply, plug and play.Built-in driver, just install the driver automatically by connecting to the computer& 39;s USB socket.1 in and 1 out MIDI interface, 16 MIDI input channels and 16 MIDI output channels.Used to connect electronic instruments such as piano, keyboard, electric piano, synthesizer, computer (sound card).Item Name: MIDI CableMaterial: ABSCompatible System: for Windows XP/Vista/Win7, for Mac OSFeatures: Plug and Play, High Speed, Easy to UseCable Length: 2m/78.74" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x MIDI Cable