... ,LED 25lm project size 20-150 inch DVD,USB, AV/USB interface high quality best price home theater,portable ... 16:9/4:3Foucus: Manual focusWifh computer, DVD, USB, AV/USB interfaceHave external speaker, to restore the home theater effectCan ... 32GB) external memoryInput video signal : AV/USBAudio output :Headphones/ internal speakersSpeaker:Build in louder speakerMenu Languages: Support Chinese/English ...