As the title says, how does the multiple bluetooth connections work in practice?

I love my XM3s but it is a pain as I'd like to be able to use them reactively (i.e. without having to switch connections) to take both mobile and PC based Teams calls. Also I may be listening to music on either device (more often the PC) between calls / meetings.

I'd value your experience of whether this works in practice. I need to be sure before spending another £200+ quid (albeit my old 3s are in very good nick and are worth £100ish I guess).

Many thanks.

Jeremy