Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 005: ID 0a5c:2148 Broadcom Corp. 
Bus 003 Device 004: ID 0a5c:4503 Broadcom Corp. 
Bus 003 Device 003: ID 0a5c:4502 Broadcom Corp. Keyboard (Boot Interface Subclass)
Bus 003 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
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 002: ID 041e:4057 Creative Technology, Ltd Live! Cam Optia
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub