The intelligent digital smart pen, pen touch operation also serves on the lcd screen, it is like using a pen instead of your fingers. Work order by dragging the stylus on the screen.
Intelligent Smart Digital Pen pen parts, acting on orders, touch screen LCD, compared using a pen instead of a finger. Order by dragging the pen on the screen.
In the smart pen Digital Smart Pen was made sense to work on the screen, it feels like using a pen instead of LCD fingers order by dragging a pen on the screen.