(1) Portable design?? easy to take and travel.Brightness:800 lumens??support 1080P??image size 36 - 130 inches?? native resolution 800 x 480?? contrast: 800:1??Aspect Ratio: 4:3/16:9??with optical keystone correction??easy to focus the image by adjusting the Lens on the projector.</br>(2) Based on the lasted upgraded LED technology??This projector provide more brightness than other normal projector.You can enjoy anything on big screen at home/yard/outdoor.</br>(3) Mutil-media Input: you can watch your favorite programs with bigger screen via HDMI / VGA / USB / AV/SD Card?? connect PC/ laptop/DVD player to enjoy videos or movies??" station PS3 PS4 or X-Box ONE via HDMI port to enjoy games on big screen.the USB port is only for U-Disk / hard disk device connecting.</br>(4) Built in 2 speakers ( For perfect sound?? we recommend customer connect an external speaker via the 3.5 mm headphone jack?? or via the 3 in 1 audio or video port )?? NOTICE: Due to the copyright issue of Dolby?? this projector does not support Dolby's Audio decoding.(Close the Dolby option of the device you connected)?? or you might not get sound from videos. Especially when you watch Netflix.</br>(5) This Projector is Not recommend for PPT or business presentation?? ideal for home theater movies and video games.</br></br>Product Description</br></br><br><b>Notice 1.</b> Due to the copyright issue of Dolby?? this projector does not support Dolby's Audio decoding(Close the Dolby option of the device you connected?? or No Sound.) <br><br> <b>Notice 2.</b> When powered on/Working every 2-4 hours?? the fan will work to cool the machine?? this kind of "not Quality Issue?? just take it easy.Recommend you have a break after 3-4 hours using to avoid overheating.<br><br> <b>Multimedia Portable Mini LED Projector</b> <br><br> Image