The USB dongle is plugged in. Does this override Bluetooth settings in options? If yes, is it possible to truly turn off Bluetooth connectivity and how would you test that, since the Bluetooth setting itself is toggled off? If not, how is it doing this?
Trying to search for the answer via search engine just gives me troubleshooting to make the mouse connect, which is the opposite of my question.
Rarely these days do you find a real Bluetooth only mouse. Many are multi mode. Frequently you will see tri-mode rechargeable mice, wired direct use plus recharge, fast refresh 2.4ghz gaming dongle, and bluetooth for travel with a laptop.
I’ve always assumed the expect the dongle on a gaming desktop and Bluetooth with a laptop as laptops usually have dual mode WiFi cards, but many desktops come with WiFi now also.