virtualbox and usb card reader

If I can't see my card reader in virtual OS, and I can't see it even in the list of USB devices to patch through, then try:

sudo VirtualBox

if I can see them here, then I have to add my user to vbox user group

https://askubuntu.com/questions/365850/virtualbox-not-seeing-any-usb-devices-in-the-usb-filters-settings

(if GUI does not store the info then manually)