This is one area Bose are notably better in, i.e. connected to two devices simultaneously. I find the XM2 can remember pairing for at least 2 devices, typically my phone and laptop but I have to manually disconnect from one device and connect using the other when switching. This is quicker than entering pairing mode but still an upto 30 second process, but much of that time is due to the awkward Bluetooth settings menu in recent versions of gnome.