... , Operating system, support WORD,EXCEL,PPT,PDF with WIFI and touch pad mouse SystemTypeMobile ProjectorProcessorTeleshops TCC7901 498MHZ*2 Dual CPUMemory Storage2GB(1 ... )Bluetoothsupport(optional)USB typeDEVICE USB2.0, HOST USB1.1Wireless mouse and keyboardSupportVGA inputSupport , resolution up to 1080iAV(CVBS+L/R) inputsupportSpeakerBuilt ...