pico projector OS: Android 2.1 system, rockchip 2818 WIFI :support engine:3M MM200 upgrade brightness: 30lumens ... /MPEG,1280*720Pphoto format JPEG/BMP/GIFInterfaceUSB2.0 input,AV in, DC port, Micro TF slot ,earphone portfeature Can be ... controlSupportLanguageChinese,English (More other language for optional)Focus Manual BatteryBuilt -in li-ion battery 2200mAH, Charging Mode, DC interface Power supply ...