Bus 001 Device 003: ID 058f:6335 Alcor Micro Corp. SD/MMC Card Reader
Bus 002 Device 002: ID 045e:0782 Microsoft Corp. 
Bus 001 Device 004: ID 064e:a103 Suyin Corp. Acer/HP Integrated Webcam [CN0314]
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 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 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub