portable monitors

I have a laptop (Clevo / Eluktronics N970TF) dual booting both Windows 10 and Ubuntu 20.04. I've decided I need another screen for multi tasking preferably in both OS's and have been browsing over the portable monitors and to be honest I am lost. I have: • 1 x USB 3.1 Gen 2 port (Type A) • 1...