The switcher is worth its price. The unit is fully wired. A plug in or unplug cables is not possible. Two USB cable (2.0) with imprint PC1 and PC2 make it clear where you have to plug. A small, very thin (!) Cable with push-button switch is responsible for manual switching of the connected PCs. A software-based switching is not provided. I have 2 PCs connected (Win7 and Win8.1). Works seamlessly. Software is not there, nor to install. Done everything automatically. Designed to connect up to 4 USB devices. I attached here 2 Brother printers (Mulitfunktionsdrucker) and a USB transmitter for Logitech Wireless Keyboard with Wireless Mouse "WavePro". By switching button now the keyboard and mouse is available for both PCs alternates. Just like the USB printer etc. A port is therefore still available. As a precaution, the switch has an external power supply connector (mini USB). If though so far not needed. However, if required should an optional power supply to be procured. We recommend first PC1 to wire and waiting for Auto Installation. Then procedure is analogous to the PC2 that. Route the connection USB devices should have been previously installed on PC1 and PC2. The operation is very easy. If you want from PC1 to PC2 (or vice versa), press the button briefly. The switch toggles adequately soon (fully acceptable) and that one particular PC responds with a beep so that now you can continue working there as well, for example, the printers available. The switch 2 LED (green) has furthermore indicate which PC is currently connected. However, I have banished the switch with double-sided tape behind the desk. Now there again desktop clutter.
