lsusb - _

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Bus 003 Device 002: ID 8087:8001 Intel Corp. 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 04ca:703c Lite-On Technology Corp. 
Bus 001 Device 004: ID 8087:0a2a Intel Corp. 
Bus 001 Device 003: ID 138a:0017 Validity Sensors, Inc. 
Bus 001 Device 002: ID 058f:9540 Alcor Micro Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub