USB MIDI Interface Cable: Supports all MIDI and MIDI devices. Connecting keyboards, MIDI keyboards, synthesizers, electric drums and all devices with input and output to computer/laptop for MIDI composition/recording. Plug and Play: The USB midi cable has a built-in driver, simply connect it to the MIDI device and computer, no difficult driver installation is needed and you are free to run. LED Indicator: Intelligent IN/OUT LED indicator and LED power, MIDI input indicator and MIDI output indicator. Can display different lights indicating different status to help MIDI users monitor MIDI connections. How to use: Pay attention It will not work if you connect the wrong interface. Take the USB MIDI cable connector \"IN\" to the MIDI device \"OUT\" interface, connect \"OUT\" to the MIDI device \"IN\" interface. Wide OS Compatibility: Support 5-pin MIDI cable with standard MIDI cable interface devices, such as Win8, Win7, Vista, Windows XP and OS. Note: If you connect it to a smartphone or need an OTG cable (OTG is not included). Size: about 2m Material: plastic Color: As shown Package Contents: 1 x USB to Midi Interface Cable Only the above package contents, others are not included. Note: Light reflection and different displays may cause the item's color to look slightly different from the pictures. The allowable measurement is +/- 1-3cm.