Yes, you can use this headset to simultaneously stream music from your mobile via Bluetooth and hear your fellow players in the game via the wireless connection. The simultaneous use of Bluetooth 5.2 and 2.4 GHz radio is confirmed by several sources, e.g. as "parallel connection with several devices" or "radio and Bluetooth 5.2 simultaneously". The QuickSwitch button also allows easy switching between the connections.

The headset can be connected directly to the PC via Bluetooth without a dongle. It has a QuickSwitch button that allows you to switch between the 2.4 GHz wireless connection (via USB dongle) and Bluetooth connection with low latency. This enables direct Bluetooth pairing with the PC without having to use the dongle.

Yes, you can order it on the turtlwbeach website, but 1. you have to make sure that you order the right one and 2. I don't think they deliver to Switzerland