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 002: ID 08ca:0021 Aiptek International, Inc. APT-2 Tablet
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 007: ID 09e8:0076 AKAI  Professional M.I. Corp. LPK25 MIDI Keyboard
Bus 001 Device 006: ID 0951:1624 Kingston Technology DataTraveler G2
Bus 001 Device 005: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 08bb:2902 Texas Instruments PCM2902 Audio Codec
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 046d:c077 Logitech, Inc. 
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub