MIDI nTour CX is a convenient MIDI interface cable that works with iPhone, iPod touch and iPad. The cable is designed for use with Core MIDI compatible apps such as synthesizers, sequencers and many more available for your iPhone, iPod touch or iPad. With MIDI nTour CX you can simply connect your favorite music apps such as GarageBand with any MIDI keyboard (with 5-pin DIN MIDI connector) or MIDI hardware. The cable provides perfect MIDI timing and performance at an extremly affordable price.To use MIDI nTour CX, you connect the 30-pin connector directly to your iPhone, iPod touch or iPad and the MIDI in connector on the other end of the cable to the MIDI out connector of your keyboard or other MIDI device. Also you can connect the MIDI out of MIDI nTour CX with the MIDI in of your MIDI device such as a sound module.