Paperweight with copybook / Household/Tableware

When we use to practice calligraphy paperweight,copybook,blankets,and other tools that are inconvenient to carry,but also takes up space.Now we can use a tool to address the needs,paperweight,calligraphy copybook with blankets when we no longer need filled your desk,let your desk clean and simple recovery.Paperweight built-in camera,directly to the information you need to place the projector.Copybook by phone APP control,you are free to choose the font,adjust the size and number of the grid.