HTC VIVE Pro 2 User Manual page 22

22 Headset and link box
Replacing the headset earphones
You can use your own USB Type-C
want to use compatible 3.5mm earphones, you'll need a USB Type-C to 3.5mm audio adapter.
1. Remove the headset earphones first, otherwise audio will still come out from them. For
details, see Removing the headset earphones
2. Remove the face cushion from the headset visor by peeling it off from both ends.
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compatible earphones with the VIVE Pro 2 headset. If you
on page 20.