Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 1c7a:0603 LighTuning Technology Inc. 
Bus 001 Device 004: ID 8087:0a2b Intel Corp. 
Bus 001 Device 003: ID 04f2:b59e Chicony Electronics Co., Ltd 
Bus 001 Device 002: ID 1c4f:0034 SiGma Micro 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub