$ lsusb
Bus 002 Device 004: ID 174f:1158 Syntek
Bus 002 Device 003: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 007: ID 08bb:2902 Texas Instruments PCM2902 Audio Codec
Bus 001 Device 006: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 008: ID 0c45:7702 Microdia
Bus 001 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 007: ID 050d:0128 Belkin Components
Bus 004 Device 006: ID 2109:0812 VIA Labs, Inc. VL812 Hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 2109:2812 VIA Labs, Inc. VL812 Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub