How VirtualBox on Linux using USB

Question:
VirtualBox settings have enabled "USB2.0 (EHCI) Controller" option, but the virtual machine never USB device, the lower right corner of the state also shows no connection of any USB device that looks like VirtualBox itself recognize USB devices out of the question. . .

Solution:
the current user to the vboxusersgroup will be able to

sudo adduser $USER vboxusers

Log off the user log in again, OK, everything is normal.

manjaro adduser command is not to be installed by the AUR debian adduser or useradd command

https://blog.csdn.net/u012719256/article/details/73603938