I believe the profiles are part of the Crate application and not stored on board the headset so you'd have to be USB connected for that feature.
The intermittent pairing issues sound most concerning. If possible I would try to pair them with another PC or perhaps a mobile device to see if the issue seems to be related to the headset or some sort of conflict with your PC's bluetooth. If it's the PC you could always disable onboard bluetooth and use a USB bluetooth. Not ideal, I know.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…