This is a simple tutorial on how to enable USB support in VirtualBox.
Download and install the Extension Pack from VirtualBox Downloads. Opening the file when it has downloaded should start VirtualBox and the installation process.
Added Users To Groups
You need to add your user to the vboxusers group. This can be done with the following command in the terminal
usermod bill -a -G vboxusers
Replace bill with your user name.
Restart your computer and Virtualbox will now allow you to connect USB devices to it.