> [^11] Not compatible with Logitech Unifying USB Receiver technology
So you'll have to throw away your existing MX Anywhere 3 and repurchase this seemingly vaporware "for Business" variant[1] if you want a single transceiver for mouse+keyboard? Hmm...
[1] https://www.logitech.com/en-us/products/mice/mx-anywhere-3-f...