... problem.3.Support Wentai, CorelDRAW apiece Masters, chat software, mouse, direct support of AutoCAD,drawing direct output of design drawings ... high-brightness LCD characters ,1 M~4M large memory.6.Repetitive mouse functions and consecutive self-test function.7. Anti-collision ... graphics. Forte by dorsal surface and lining two materials, mouse, only in texclusive bits stuck on the surface dielectric ...