Bus 004 Device 002: ID 046d:c30e Logitech, Inc. UltraX Keyboard (Y-BL49) Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 003: ID 1781:0c30 Multiple Vendors Bus 003 Device 002: ID 046d:c024 Logitech, Inc. MX300 Optical Mouse Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub