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.
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 ...
Wired

How the GameCube Controller Works on Nintendo Switch 2—and How You Can Get One

After months of silence, Nintendo has finally confirmed that the Switch 2 is coming soon, launching worldwide on June 5 (even if preorders are delayed for the US). But what accompanied that ...
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 ...