Yes, you can use an Xbox controller on the Nintendo Switch 2, but you’ll need a third-party Bluetooth adapter like 8BitDo or Mayflash.

This page contains instructions on how to connect your Nintendo Switch 2 to the internet, via both over wifi and through a wired connection.

Best Wired Nintendo Switch Controller for playing in the dark: PowerA Spectra Enhanced PowerA makes some of the best options for wired controllers, especially for the Nintendo Switch.