On android when loading a file - chrome wants access to camera

I looked at the webUSB support article and it indicates that it works on android.
I created a program and saved it.
I cleared the editor then loaded it.
When i click load button then click 'pick a file' link
I get the android window 'chrome needs access to camera and record video'
It then pops up 'chrome needs to record audio'
I click allow on both pop ups and it then offers 4 icons.
Camera, camcorder, audio and files.

Chrome already had access to storage.

How do i find my android version if you need it?
EDIT---
you go to settings/phone / software
My android version is 8.1.0
Samsung experience version 9.5
---END
Chrome is version 75.0.3770.101

Is there something missing on that pick a file link that would indicate to chrome that it only needs access to storage