Bus 002 Device 004: ID 0d8c:0201 C-Media Electronics, Inc. CM6501 Bus 002 Device 003: ID 046d:c05b Logitech, Inc. Bus 002 Device 002: ID 045e:00db Microsoft Corp. Natural Ergonomic Keyboard 4000 V1.0 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub