$ lsusb 
Bus 001 Device 008: ID 1058:1048 Western Digital Technologies, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 004: ID 413c:2107 Dell Computer Corp. 
Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 1d57:ad02 Xenta SE340D PC Remote Control
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub