Eteyo LED Projector with Hdmi Port 4500 LED Lumens Support External Wifi Novel Design The professional appearance design for ventilation has largely improved the stability and life time for the projector. Support only watch movies or videos red/blue format. If you connect 3D Blu-ray player, do not expect it to be compatible, it is not a panacea 3D. Multi-function interface: TV, AV, VGA, SD, USB, HDMI. Support external wifi devices through the HDMI port, such as Android box or stick. Image aspect ratio is 16:9/4:3. A variety of display ratio, meet your HD demand.