The MX Keys S for Mac is identical to the MX Keys S, but it doesn’t come with a USB receiver. If you want a traditional full-size wireless keyboard with a number pad, get the Logitech MX Keys S ...

The Echelon combo requires no additional software, operating as a true plug-and-play solution. This simplicity is ideal for users who prefer hassle-free setup. The keyboard’s shortcuts are optimized ...

If your keyboard is wireless, try the following fixes ... Start by trying to re-sync your keyboard with the USB receiver. If that doesn't help, insert the USB receiver into a different USB ...