nihilist, what wireless usb adapter came with that thing? The long one or was it one of those unifying ones?
Not sure what you mean by unifying ones?
It looks like a standard USB memory stick. It says 2.4Ghz and, MX1100R on the side.
One thing I can say that seems to be a known issue is a bit of lag if you move the cursor very slightly, it's fine when you're moving the mouse with a normal pace, but if you're doing very fine work, like really trying to move just 1 pixel across, it's a bit wonky, but I fixed that by just running an extension cable and placing the USB receiver behind my monitor.
My PC sits under the desk in a corner, so it's probably that that's causing the lag anyway, it's quite out of reach from the mouse.