lsusb - no desktop effects
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 004: ID 046d:c714 Logitech, Inc. diNovo Edge Keyboard
Bus 005 Device 003: ID 046d:c713 Logitech, Inc.
Bus 005 Device 002: ID 046d:0b04 Logitech, Inc.
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 046d:081d Logitech, Inc. HD Webcam C510
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 04d9:a01d Holtek Semiconductor, Inc.
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 008 Device 003: ID 0ccd:00d7 TerraTec Electronic GmbH
Bus 008 Device 002: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub