What to Know Because PS5 controllers aren't compatible with the PS4, you'll need to use a Bluetooth adapter. The Mayflash Magic-S Pro is the best adapter for this purpose.

This article explains how to use a PS5 DualSense controller on PS4. Bluetooth Adapters, PS4, and DualSense The PS5 controller doesn't just work with the PS4, so you must pick up a Bluetooth adapter.