Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 006: ID 1a81:1701 Holtek Semiconductor, Inc. 
Bus 001 Device 003: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 007: ID 0471:20d0 Philips (or NXP) SPZ2000 Webcam [PixArt PAC7332]
Bus 001 Device 005: ID 0bf8:101e Fujitsu Siemens Computers 
Bus 001 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub