This all-in-one dock delivers a total of 3 ports in a unit designed to instantly connect and disconnect from your USB laptop through a single high-speed cable. Featuring DisplayPort, HDMI and VGA display support through USB Type A connectivity, this full-featured USB dock allows your laptop to perform like a desktop. Aluratek’s 2-Port Wall Oulet USB Charging Faceplate is a great way to charge your smartphone, tablet or any USB device right from any electrical plug without losing an outlet. Installation is quick and easy with no batteries, no wiring, no electricians and no fuss. The USB charging faceplate simply serial device to any Universal Serial Bus (USB) capable host. PL2303TA highly compatible drivers could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port to easily migrate and be made USB ready without having to rewrite the COM port software application.