Yes, the Nintendo Switch has Bluetooth — here's how to connect a headset or new controller

The Nintendo Switch does have Bluetooth, and you can use it to connect wireless headphones or controllers.

How to sync Nintendo Switch controllers with your system, so that up to eight people can play at once

To sync a Nintendo Switch controller, you'll need to go into the "Change Grip/Order" menu on your console. There, you can add up to eight controllers.
IGN

How to Sync Controllers to the Switch 2

This page contains instructions on how to sync and pair controllers, such as Joy-Cons or Pro Controllers from both the Nintendo Switch or Nintendo Switch 2 era with your Nintendo Switch 2. It’s ...
GameSpot

8BitDo's Best Controllers Get Switch 2 Support - How To Set Them Up And Why It's A Big Deal

If you tried syncing an 8BitDo controller to the Nintendo Switch 2 on launch day, you were probably disappointed when the console refused to recognize it. I know I was. But my disappointment didn't ...
GameSpot

Nintendo Switch 2 Controller Charging Docks Are Cheap, But There's A Catch

Nintendo Switch 2 users have two official methods for charging the new Joy-Con 2 Controllers for wireless play. Out of the box, you can dock the console with the controllers attached before removing ...

The PDP Riffmaster Wireless Guitar Controller Now Has a Switch and Switch 2 Version

The PDP Riffmaster Wireless Guitar Controller for the Switch and Switch 2 is available now at Turtle Beach's website or on ...