How to use a USB powered controller without a laptop

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=N7CvSvuMxsg

After every gig my laptop is the first thing to get taken down. If you are using a USB powered controller this means you can't use the microphone, or can yo...

Serato DJ Controller, Pioneer DDJ-SR, USB Power, Apple, Power brick, Charging brick, djjay, Brannan Entertainment
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