Bus 001 Device 002: ID 0781:556b SanDisk Corp. 
Bus 002 Device 002: ID 043d:00bb Lexmark International, Inc. 2300 series
Bus 004 Device 002: ID 045e:008a Microsoft Corp. Wireless Keyboard and Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 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 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub