Why this answer matters
Controller input, USB connection and headset audio are separate paths. A controller can work over Bluetooth while a headset-jack or USB path has its own fault.
2 requirements3 verification steps1 primary source
Requirements
What has to be true
- Compatible USB-C cable for wired/charging use.
- CTIA-compatible 3.5 mm headset for the headset jack.
Verify it yourself
Use this test sequence
Change one variable at a time so you know which requirement made the difference.
- 1
Test raw controller buttons/sticks first.
- 2
Compare Bluetooth and USB-C operation.
- 3
Test the headset separately if input works but headset audio does not.
Limits
What this answer does not prove
- Browser Gamepad support depends on browser/OS mapping; it cannot validate every Nintendo-specific feature.
Relevant DeviceOK checks