This unit does not come with a USB cable.

Using this Martin Lighting M-Touch DMX control surface is easy. First, connect it to your lighting system as required. Just keep in mind that you'll need to provide your own USB cable since it's not included. When you're done using it, turn it off properly. For maintenance, keep it in a dry and clean place, and avoid exposing it to extreme temperatures. Wipe it gently with a soft cloth if it gets dirty.