Features: This MIDI interface cable is self-powered and can be conveniently attached to your computer USB port, without the need for tools or computer disassembly. It is the simplest and most convenient way to connect a keyboard or controllers to a computer via a USB port. There is no need for additional cables, this interface comes with USB and MIDI cables as part of its sturdy construction. Provides one MIDI input port and one MIDI output port, with each MIDI port supporting 16 MIDI channels. Easily turns your computer into a music studio and give you the power to play songs on your keyboard or other controllers. Then mix and edit them on your home computer or laptop with any sequencing or recording software you have installed Specifications: Material: Metal+Plastic Weight: 145g Size: 6.6x3.2x1.6cm Package Includes: 1x MIDI Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item.