root@FM10:~# lsusb
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 1782:4040 Spreadtrum Communications Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 1782:4040 Spreadtrum Communications Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub