The PS5 DualSense Controller Works With The PS3 And Nintendo Switch But Not The PS4
PS5 DualSense controller vs. PS4 DualShock 4 controller: Which is better? | Android Central
Amazon.com: Raised Thumb Grips (8pc) for Playstation 5 Dualsense by Foamy Lizard – Sweat Free 100% Silicone Precision Antislip Rubber Analog Stick Grips Compatible with PS5, PS4, Stadia & Switch Pro (Black) :
PS5 DualSense controller vs PS4 DualShock 4 controller: 7 massive changes (and 4 things that stayed the same) - Stealth Optional
Can the PS5 DualSense be used on PS4? No, and this is why - The Tech Zone
PS5 DualSense Doesn't Work Natively With PS4... But It Does With PS3 - IGN