1、Connect the for Windows USB3.0 computer or graphics card to the external display HDMI or VGA through the HDMI and VGA female ports (including hdtv, projector, display) through a cable. 2、The USB 3.0 adapter supports the simultaneous working of HDMI and VGA ports to achieve synchronization and expand the display, which is convenient for you to work/entertain in 2 different external displays. 3、Utilizes a high‑bandwidth (5 gbps) super‑speed USB 3.0 interface, compatible with USB 2.0, and supports hot‑pluggable devices (only the USB 3.0 interface can achieve a resolution of up to 1920 x 1080p, if you use a USB 2.0 port, it can only be 800x600p). 4、The portable USB3.0 adapter is light and handy, so you can carry your laptop bag with you when you are traveling. 5、Can extend the computer screen to a large screen or projector, set up replication (mirror), use it for presentations with the projector, etc., and work on the large screen workspace.