16 MIDI Channels USB powered-on external power supply requires Supports for Windows @XP and above?? Mac OSX and above No driver need</br>1 MIDI NI 1 MIDI OUT Connection to USB-equipped PC or Mac Include. 2x 5 din MIDI-Cable and a USB-Cable</br>Blister packaging</br></br>Product Description</br></br>Simple to use?? suitable for all MIDI software operating under Windows XP and Mac OSX. Perfect for connecting MIDI devices to your computer such as a digital piano or sound module.</br><br/>http://www.amazon.com/gp/product/B00WU6FKSO