pc@pc:~$ dmesg | tail 
[ 3386.521066] scsi10 : usb-storage 3-3:1.0
[ 3386.521319] usb-storage 3-3:1.1: USB Mass Storage device detected
[ 3386.521451] scsi11 : usb-storage 3-3:1.1
[ 3387.519426] scsi 11:0:0:0: Direct-Access     HUAWEI   SD Storage       2.31 PQ: 0 ANSI: 2
[ 3387.519432] scsi 10:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
[ 3387.521609] sr1: scsi-1 drive
[ 3387.522007] sr 10:0:0:0: Attached scsi CD-ROM sr1
[ 3387.523814] sr 10:0:0:0: Attached scsi generic sg2 type 5
[ 3387.528952] sd 11:0:0:0: Attached scsi generic sg3 type 0
[ 3387.530809] sd 11:0:0:0: [sdb] Attached SCSI removable disk
pc@pc:~$  lsusb && lsusb -t 
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0bda:5776 Realtek Semiconductor Corp. 
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 12d1:14fe Huawei Technologies Co., Ltd. 
Bus 003 Device 002: ID 0461:4d0f Primax Electronics, Ltd HP Optical Mouse
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
    |__ Port 3: Dev 5, If 0, Class=Mass Storage, Driver=, 480M
    |__ Port 3: Dev 5, If 1, Class=Mass Storage, Driver=usb-storage, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
        |__ Port 1: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 1: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
pc@pc:~$