Logitech’s unifying receivers are really small and difficult to remove from a computer. The dongle is also small, but not too small. If you do not have a Windows 10 computer, you may need to install drivers, but this dongle comes with an 80 mm drive with drivers in case you need it.
I connected the dongle to the computer, entered the configuration and associated my keyboard as if the computer had its own bluetooth.
Computers run on Windows 10, allowing you to use bluetooth plug and play without having to install drivers. I bought it to connect it with my Logitech K380 keyboard to the computers in the school computer lab and it works perfectly.