Even if you manage to source the manual for a device, it might not contain enough information to make pairing possible. Here are details for a few common devices.
Those devices use “cable-pairing”. Plug the joypads in via USB with the
Those devices use “cable-pairing” as well. Plug the joypads in via USB with the
Using the “PS” and “Share” button combination to pair the joypad can also be used to make the joypad visible and pair it like any other Bluetooth device, if you don’t have a USB cable at hand.
Hold the “Start” and “Enter” buttons at the same time for around 5 seconds. You can then select the remote in the devices list as usual.
Use the red “Sync” button inside the battery compartment to start the pairing process. Other button combinations will not keep pairing information, so you would need to do it all over again in short order. Also note that some software wants direct access to the remotes, and, in those cases, you should not set them up in the Bluetooth panel. Refer to the application’s manual for instructions.