This portable is a special devices to project you mobile phones / mid / notebook to another big screen devices with hdmi interface (such as, hdtv, monitor or projector, etc) through wi-fi connection, under the popular standards like miracast, dlna and airplay, it can enhance your tv / projector / monitor which have hdmi input socket. Moreover, it has more features such as, streaming video, web surfing, photo viewer, live camera, internet video and more, just to enjoy excellent multi-display sharing.