Bus 003 Device 002: ID 8087:8000 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 004: ID 0457:10c0 Silicon Integrated Systems Corp. 
Bus 001 Device 003: ID 0bda:57bc Realtek Semiconductor Corp. 
Bus 001 Device 002: ID 0e8d:763f MediaTek Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/9p, 480M
    |__ Port 4: Dev 2, If 0, Class=Vendor Specific Class, Driver=btusb, 480M
    |__ Port 4: Dev 2, If 1, Class=Vendor Specific Class, Driver=btusb, 480M
    |__ Port 5: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 5: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 7: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 12M