$ if command -v lsusb >/dev/null 2>&1; then lsusb; echo; lsusb -t; else echo "lsusb missing"; fi

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. Root Hub
Bus 001 Device 003: ID 04f2:b5fa Chicony Electronics Co., Ltd EasyCamera
Bus 001 Device 004: ID 0bda:c02f Realtek Semiconductor Corp. Bluetooth Radio
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 004: ID 413c:301a Dell Computer Corp. Dell MS116 Optical Mouse
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

/:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 001: Dev 002, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 001: Dev 003, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 001: Dev 003, If 1, Class=Video, Driver=uvcvideo, 480M
        |__ Port 002: Dev 004, If 0, Class=Wireless, Driver=btusb, 12M
        |__ Port 002: Dev 004, If 1, Class=Wireless, Driver=btusb, 12M
/:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 001: Dev 004, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
/:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/4p, 5000M

exit_status=0
