Bus 001 Device 004: ID 13d3:5071 IMC Networks 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 045e:00f9 Microsoft Corp. Wireless Desktop Receiver 3.1
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 258a:0001  
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub