lsusb - 1
Bus 003 Device 002: ID 093a:2628 Pixart Imaging, Inc.
Bus 004 Device 002: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 004 Device 003: ID 09da:000a A4 Tech Co., Ltd Optical Mouse Opto 510D
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub