This Dynabook Digital Pen is designed to work with Dynabook X20W or X30T series PC. It lets you interact with your device in a more natural way by incorporating the convenient and intuitive aspects of pen and paper into the PC/tablet experience. Deliver the power and creativity of digital ink with Dynabooks exclusive TruPen™ with Wacom® Feel to deliver pro-grade pen precision that can detect 2,048 levels of pressure, giving users a natural pen-on-paper writing experience—for note taking, signature capture, sketching ideas, completing forms and more.