sudo lsusb -t
sudo lsusb -v | egrep "^Bus|MaxPower"
Bus 001 Device 008: ID 0b97:7772 O2 Micro, Inc. OZ776 CCID Smartcard Reader Bus 001 Device 007: ID 0b97:7761 O2 Micro, Inc. Oz776 1.1 Hub Bus 001 Device 006: ID 8087:07dc Intel Corp. Bus 001 Device 005: ID 138a:003f Validity Sensors, Inc. VFS495 Fingerprint Reader Bus 001 Device 004: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub Bus 001 Device 003: ID 1bcf:2c34 Sunplus Innovation Technology Inc. Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 002: ID 413c:5534 Dell Computer Corp. Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 008: ID 046d:c050 Logitech, Inc. RX 250 Optical Mouse Bus 002 Device 007: ID 046d:c31c Logitech, Inc. Keyboard K120 Bus 002 Device 004: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator Bus 002 Device 006: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub Bus 002 Device 005: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub Bus 002 Device 003: ID 413c:2134 Dell Computer Corp. Bus 002 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub