... A) touch or touchless recognition,control and operate the computer.B)work as mouse,chalk and eraser. high sensitivity, write smoothly without breakpoint, Multi ... EXCEL, DOC, TXT, and other file formats10) Teachers can use the i-pen to control the computer,use multimedia teaching, use the ... 7CPUIntel P4-1.0GRAM128MHard Disk50M smart electronic interactive whiteboard with wireless mouse and laser pointer