I bought this to switch keyboard and mouse between two computers and maybe on rare occasions more computers. It works well. My wired keyboard has a USB port (actually 2) that plugs into the wireless mouse receiver. It's nice and small too, and I like that the buttons are on the front and all the USB ports are on the back. And the price was very good. I already have a lot of good old USB AB cables, so I could pay less for a cordless device. To switch two monitors between two computers, I use an input selector on each monitor, so I only needed a keyboard and mouse.
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