yasser@yasser-MS-7529:~$ lsusb
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 0603:00f2 Novatek Microelectronics Corp.
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 005: ID 19d2:fff1 ONDA Communication S.p.A.
Bus 002 Device 002: ID 04f3:0210 Elan Microelectronics Corp. AM-400 Hama Optical Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 012: ID 198f:015e Beceem Communications Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
yasser@yasser-MS-7529:~$
yasser@yasser-MS-7529:~$ dmesg | tail
[ 4553.827744] usb 1-8: USB disconnect, address 6
[ 4556.080143] usb 1-8: new high speed USB device using ehci_hcd and address 9
[ 4556.471265] scsi8 : usb-storage 1-8:1.0
[ 4557.201628] usb 1-8: USB disconnect, address 9
[ 4557.520140] usb 1-8: new high speed USB device using ehci_hcd and address 10
[ 9130.410740] usb 1-8: USB disconnect, address 10
[11101.480044] usb 1-8: new high speed USB device using ehci_hcd and address 11
[11101.870651] scsi9 : usb-storage 1-8:1.0
[11102.660964] usb 1-8: USB disconnect, address 11
[11102.980043] usb 1-8: new high speed USB device using ehci_hcd and address 12
yasser@yasser-MS-7529:~$