Huge screen or use it as a dual-screen option ;Perfect choice for group project a screen big enough for everybody;Able to move your personal theater around no need to worry about the TV anymore;Light weighted easy to carry good to show client slides during presentation;Able to enjoy movies or clips after dinner or during your BBQ time ;Easy to share pictures or videos with friends able to plug USB disk;Perfect for proposing easy to project pictures or videos;</br>Native resolution 800 x 480Support 1080pBrightness:800 lumensimage size 36 - 130 inches contrast: 800:1Aspect Ratio: 4:3/16:9with optical keystone correctioneasy to focus the image by adjusting the Lens on the projector.</br>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 moviesConnect play 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>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 "t )?? 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>Do not recommend for PPT or business presentation with bright lights on or during the day time?? ideal for home theater movies and video game?? Recommend Using in Dark Environment!Built-In Speakers?? for perfect sound?? we recommend an external speaker(Via the 3.5 mm headphone jack)</br></br>Product Description</br></br><b>Warm tips</b><br><br> 1. 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> 2. To connect with PC/Laptop?? please adjust the PC/laptop display resolution to 800*600 or 1024*768.<br> 3. When powered on/Working every 2-4 hours?? the fan will work to cool the machine?? this kind of "t Quality Issue?? just take it easy.Recommend you have a break after 3-4 hours using to avoid overheating.<br> Focus Adjustment: Adjust Keystone to make the image fit?? then rotate the focus ring to make the image clear.<br> <br><br> <b>Multimedia Portable Mini LED Projector</b><br><br> Image syst