Fortnite mouse and keyboard on xbox?

Hello people I would have a question, and why is I in the game fortnite always when I go under settings with my controller always indicated that I have no keyboard connected, although I have the keyboard as well as the mouse s.usb usb input connected do not understand this, auserdem I can move my mouse but hörbich only with game sound but i can't see them because there's no arrow oda so please help me the mouse and keyboard just bought lg

Cheater it does not work that easy with xbox keyboard. Mouse certainly not xD

But look at youtube @ SwagettiY0l0nes