(base) [root@niu martin]# lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 05ac:0250 Apple, Inc. Aluminium Keyboard (ISO) Bus 001 Device 003: ID 05ac:1006 Apple, Inc. Hub in Aluminum Keyboard Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bluetooth wireless interface Bus 001 Device 002: ID 046d:c062 Logitech, Inc. M-UAS144 [LS1 Laser Mouse] Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub (base) [root@niu martin]# lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 05ac:0250 Apple, Inc. Aluminium Keyboard (ISO) Bus 001 Device 003: ID 05ac:1006 Apple, Inc. Hub in Aluminum Keyboard Bus 001 Device 006: ID 046d:c062 Logitech, Inc. M-UAS144 [LS1 Laser Mouse] Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bluetooth wireless interface Bus 001 Device 008: ID 32e4:9230 HD USB Camera HD USB Camera Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub