Strings attached
I don't see that to be a problem. If you're connecting to your phone, you're already mobile. It should hardly be an issue to have a USB cable plugged in to your shirt pocket (pants may be a bit far for that - for those of us who are still wearing them).
I do see a problem in having a phone capable of rendering 5 screens at 1080p resolution. And if you're telling me that it's the glasses that are rendering them, I'm going to ask you what universe you come from and how did you smuggle your alien tech in ? Also, do you have gravity modulators, by any chance ?