Your Nintendo Switch needs to be updated to version 3.0 or higher for this feature to work.

Tap the Joy-Con you’ve misplaced and it’ll vibrate.

Listen out for the vibration and track it down.

The Nintendo Switch Home Screen

Keep holding down on the Switch Joy-Con so that it continues to vibrate while you seek it out.

If the controller has been left on a very soft surface, it can be difficult to hear.

Be as quiet as possible while you search for it.

The Nintendo Switch Controllers Search For Controllers Option

It won’t work under these circumstances so keep that in mind.

The Nintendo Switch Find Controllers Screen