Logitech unifing USB adapter is included in the scope of delivery, so everything is complete for operation.
Happy holidays and a happy new year.

You don't need to get aggressive; I can't help it if the translation is inadequate.
The description of the articles is clear - what you mean or want with a "dongle" is unclear.
The mice run on battery power, are wireless and don't need a "dongle".
That's all you need to know.

I don't understand the question? From Galaxus' point of view, they are both sold - to me. And from my point of view, they are bought - I'm not selling them, I'm using them....