I'm a software developer. I have a few clients that I use dedicated machines for if they wish. I have this to be able to move between cars without having to physically roll my chair. I can use it with a wireless keyboard/mouse receiver, USB camera and audio output. Maybe I'll find a use for the fourth USB port. Although there is a delay of about a second, it works smoothly and reliably. I have one wish, but it actually applies to all of these switches: both the input and output ports should be on the back of the device so that there are no cables on the table in front of them.
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