Whether a PS5 owner has an old PS4 controller, got one for a steal, or got a hand-me-down, they can connect it to their PS5 console without compatibility issues. However, it is worth noting PS5 ...

The PS4 wireless controller actually uses Bluetooth to connect to the console. Thus, you will be able to pair it with your phone like usual Bluetooth devices. That said, here’s what you need to do: ...

It's possible to connect your PS4 controller to a Mac computer to play digitally downloaded PlayStation 4 games without using a PS4 console.