Just like the Livescribe Pulse Smartpen, Wang XueLei introduce the U Drive Memory Pen that can remember any sketches/words written on any surface by turning them into a data that could be edited on PC.
However, U Drive Memory Pen require no external battery for its operation. All you to do is to plug it into your PC frequently to rejuice the pen, and then it can record your writing again like brand new.
According to Wang XueLei, the tip of this ink-less pen holds sensors that could read any movement and convert it into a editable data. Imagine you don’t have to use wacom as your drawing pad anymore! This is a great solution the product can be produced for the poor artists around the world.