You plug the vga into it and the other end has a hdmi connector. Similarly to this:
http://www.dabs.com/products/startech-com-hdmi-to-vga-adapter-converter-89CP.html?utm_source=google&utm_medium=ppc%20product%20search&utm_content=Q200&utm_campaign=Cables,%20Power%20and%20Adaptors%20-%20Adaptors%20and%20Gender%20Changers%20-%20Adaptors&origin=pla