Lsusb

lsusb - list USB devices

(This was on Ubuntu 22.04)

USB unplugged from system:

$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0a5c:5842 Broadcom Corp. 58200
Bus 001 Device 002: ID 0c45:6a1d Microdia Integrated_Webcam_FHD
Bus 001 Device 005: ID 8087:0033 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

USB plugged into system:

$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0a5c:5842 Broadcom Corp. 58200
Bus 001 Device 002: ID 0c45:6a1d Microdia Integrated_Webcam_FHD
Bus 001 Device 005: ID 8087:0033 Intel Corp.
Bus 001 Device 007: ID 0781:5575 SanDisk Corp. Cruzer Glide <------------
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

• For information about USB, refer to this link: https://www.beyondlogic.org/usbnutshell/usb1.shtml