Add keyboard and mouse to Xbox and PS4 (and when you plug in your keyboard and mouse it automatically places you with keyboard and mouse players so it's fair) : r/apexlegends
Apex Legends cheats using keyboard and mouse for aimbot-style advantage face crackdown | The Independent | The Independent
Brooks Sniper Mouse and Keyboard Converter for PS 3/4, and Xbox One/360 | eBay
How to Connect a Keyboard and Mouse to an Xbox One (with Pictures)