USB MIDI Interface Cable: Supports all MIDI and size MIDI devices. Connects keyboard, MIDI keyboard, synthesizer, electronic drum kit and any 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 ready to go. LED Indicator: Intelligent IN/OUT LED indicator and LED power indicator, 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. Connect the USB MIDI cable's "IN" to the "OUT" interface of the MIDI device, connect the "OUT" to the "IN" interface of the MIDI device. Wide OS Compatibility: The 5-pin MIDI cable supports devices with MIDI cable standard interfaces, such as , Win8, Win7, Vista, Windows XP and OS. Note: If you want to connect it to a smartphone or , you need an OTG cable (OTG cable 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 color of the item in the picture a little different from the real thing. The allowable measurement is +/- 1-3 cm.