Bus 001 Device 005: ID 174f:5271 Syntek Bus 001 Device 003: ID 174f:5215 Syntek Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 002: ID 0af0:6911 Option 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 002 Device 002: ID 0461:4e22 Primax Electronics, Ltd Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub