lsusb - list USB devices.
Display information about the usb devices:
lsusb
Display detailed information about the usb devices:
lsusb -v
Display the physical USB device hierarchy as a tree:
lsusb -t
Display only devices in specified bus and/or devnum:
lsusb -s 004:002
Display only devices with the specified vendor and product ID:
lsusb -d 8087:8002
Display only information about the device whose device file is given:
lsusb -D /dev/bus/usb/001/001
Display version information:
lsusb -V