Bus 004 Device 002: ID 03f0:2a1d Hewlett-Packard 
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 002: ID 090c:637b Feiya Technology Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 03f0:251d Hewlett-Packard Gobi 2000 Wireless Modem
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub