how to connect headphones in warhammer end time

I’ve been trying to connect the hyper x cloud flight with my xbox and it worked but it’s not working in-game now. I tested in different games and its working but I cant seem to get it working in Warhammer What could be the reason? I saw this review and they say the wireless 2.4g adapter should be replaced in order to make it work. Anybody know anything about this?

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