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 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 007: ID 04a9:173c Canon, Inc. 
Bus 001 Device 006: ID 05ac:1262 Apple, Inc. iPod Nano 3.Gen
Bus 001 Device 005: ID 413c:3016 Dell Computer Corp. Optical 5-Button Wheel Mouse
Bus 001 Device 004: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 001 Device 003: ID 0a05:0002  
Bus 001 Device 002: ID 04b3:4485 IBM Corp. Serial Converter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub