XIM APEX Keyboard and Mouse Connection Adapter for PS4/PS3/xbox one/x box360 | eBay
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
Amazon.com: XIM APEX Keyboard Mouse Controller Adapter Converter for PS4 PS3 Xbox One Xbox 360