IOGEAR KeyMander 2 Keyboard/Mouse Adapter Plus Controller Crossover- GE1337P2, Black, Crossover function lets you swap controllers between PS4, Xbox One and Nintendo Switch - Walmart.com
How to Use Keyboard and Mouse on Apex Legends Xbox?
DarkWalker Keyboard and Mouse Adapter with Headset Jack for PS4, Xbox One, Switch, PS3, PC - Amazon.com
Mouse and Keyboard Adapter for Ps4 New Version Keyboard And Mouse Converter Adapter For Xbox Switch APEX One PS4 KX Gaming - Walmart.com
How To use Keyboard + Mouse on PS4 + XBOX 1 | XIM APEX REVIEW - YouTube
Can u use Mouse and keyboard on PS4 after crossplay ? : r/apexlegends
Apex Legends cheats using keyboard and mouse for aimbot-style advantage face crackdown | The Independent | The Independent
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