Can I have the Logitech MX Keys version with the Bolt dongle instead of the Unifying dongle?
But then without a mouse (I already have the Logitech MX 3s mouse).
Thank you very much!

Question

Can I have the Logitech MX Keys version with the Bolt dongle instead of the Unifying dongle? 
But then without a mouse (I already have the Logitech MX 3s mouse).
Thank you very much!

Answer

The MX Keys S communicates with the Bolt and the older normal version with the Unifying

Answer

If I understand correctly, Unifying and Bolt are completely different products. Certain keyboards are compatible with Unifying, others with Bolt. See the link from Logitech:

https://support.logi.com/hc/en-us/articles/1500012483162-What-is-the-difference-between-Bolt-and-Unifying-receivers-

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Question about Logitech MX Keys

Can I have the Logitech MX Keys version with the Bolt dongle instead of the Unifying dongle? But then without a mouse (I already have the Logitech MX 3s mouse). Thank you very much!