A DualShock might be a good start but trust us, there's so much more.
G6L RGB Backlit Gaming Controller Converter, TYPE-C USB Keyboard and M
For PS4 Controller NEW Wireless Keyboard External Keyboard Chat Function
Compatible with: Playstation 3 , Playstation 4 , Xbox 360 , Xbox One , Nintendo Switch. Sparkfox Pro-Kam Keyboard and Mouse Console Adapter. Connect
Pro-Kam LED Keyboard & Mouse Console Adapter PS4, Xbox One, Nintendo Switch, PS3
Compatible with: Playstation 3 , Playstation 4 , Xbox 360 , Xbox One , Nintendo Switch. Sparkfox Pro-Kam Keyboard and Mouse Console Adapter. Connect
Pro-Kam LED Keyboard & Mouse Console Adapter PS4, Xbox One, Nintendo Switch, PS3
XIM APEX PS4 PS3 Mouse & Keyboard Adapter Converter For Xbox One Xbox PC Pro F/S
Keyboard and Mouse Converter for Nintendo switch for Xbox One PS4 Pro Keyboard converter Adapter Converter Hub - AliExpress
Mouse and Keyboard Adapter for Ps4 New Version Keyboard And Mouse Converter Adapter For Xbox Switch APEX One PS4 KX Gaming
NAMEVER Keyboard Mouse Controller Adapter Converter for PS4 PS3 Xbox One Switch PC - Black : Video Games
Planning to get a keyboard and mouse for my PlayStation. The keyboard I may get has no headset jack. How will I be able to use a headset that's non wireless on
How to connect PS4 controller to PC - wired and wireless