... DVD,USB, AV/USB interface high quality best price home theater,portable projector,pocket projector,micro projector,etcthey are ... focusWifh computer, DVD, USB, AV/USB interfaceHave external speaker, to restore the home theater effectCan carry mass of MP5( including PPT ... memory,build with Micro SD card slot (Most to 32GB) external memoryInput video signal : AV/USBAudio output :Headphones/ internal ...