sauro@sauroubuntu:~$ lsusb && lsusb -t
Bus 002 Device 003: ID 0a5c:5801 Broadcom Corp. BCM5880 Secure Applications Processor with fingerprint swipe sensor
Bus 002 Device 007: ID 1ee8:006a ONDA COMMUNICATION S.p.a.
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 007: ID 1bcf:2804 Sunplus Innovation Technology Inc.
Bus 001 Device 011: ID 413c:8187 Dell Computer Corp. DW375 Bluetooth Module
Bus 001 Device 008: ID 1d57:32da Xenta 2.4GHz Receiver (Keyboard and Mouse)
Bus 001 Device 004: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
Bus 001 Device 003: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
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 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
|__ Port 4: Dev 7, If 0, Class=(Defined at Interface level), Driver=, 480M
|__ Port 4: Dev 7, If 1, Class=Communications, Driver=cdc_acm, 480M
|__ Port 4: Dev 7, If 2, Class=CDC Data, Driver=cdc_acm, 480M
|__ Port 4: Dev 7, If 3, Class=Communications, Driver=cdc_acm, 480M
|__ Port 4: Dev 7, If 4, Class=CDC Data, Driver=cdc_acm, 480M
|__ Port 4: Dev 7, If 5, Class=Communications, Driver=cdc_ether, 480M
|__ Port 4: Dev 7, If 6, Class=CDC Data, Driver=cdc_ether, 480M
|__ Port 4: Dev 7, If 7, Class=Mass Storage, Driver=usb-storage, 480M
|__ Port 4: Dev 7, If 8, Class=Communications, Driver=, 480M
|__ Port 4: Dev 7, If 9, Class=CDC Data, Driver=, 480M
|__ Port 8: Dev 3, If 0, Class=Application Specific Interface, Driver=, 12M
|__ Port 8: Dev 3, If 1, Class=Chip/SmartCard, Driver=, 12M
/: 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=Hub, Driver=hub/3p, 480M
|__ Port 2: Dev 4, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 2: Dev 8, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 2: Dev 8, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 2: Dev 8, If 2, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 4: Dev 11, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 4: Dev 11, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 4: Dev 11, If 2, Class=Vendor Specific Class, Driver=, 12M
|__ Port 4: Dev 11, If 3, Class=Application Specific Interface, Driver=, 12M
|__ Port 5: Dev 7, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 5: Dev 7, If 1, Class=Video, Driver=uvcvideo, 480M