4 in 1 laptop docking station with vga ethernet dual audio and 4 port usb 20 connections the usbvgadock2 is a combination usb vga adapter and 4 in 1 docking station that converts a single usb 20 port into multiple connection ports including a vga port 10100 rj45 network connection dual 35mm phono audio ports and four additional usb 20 ports compatible with a broad range of operating systems including microsoft windows 7 the usb vga adapterdocking station supports 1600x1200