~$ lsusb
Bus 001 Device 006: ID 0bda:818b Realtek Semiconductor Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 003: ID 046d:c312 Logitech, Inc. DeLuxe 250 Keyboard
Bus 003 Device 002: ID 16e3:f9e9  
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 08ff:0009 AuthenTec, Inc. 
Bus 002 Device 002: ID 04b3:310d IBM Corp. 
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub