1,two points touch;2. support 3D movies, one key switch; 3,support win8 system; 4,accessary: air mouse , touch pen,3D glasses. 55Thin- all -in -one is a high - performance machine with our company specializes in research and development , mainly used in a variety of occasions , such as : school classrooms , training institutions , offices, meeting , office presentations , teleconferencing , the ...