Lenovo's Integrated Pen for the L13 Yoga Gen 3, Gen 4 and Gen 5 - with up to 4096 levels of pressure sensitivity - provides a natural pencil-like and paper experience when you sketch and jot down notes. Users will also enjoy easy access to short-cut functions through two built-in customizable buttons on the base of the pen. This pen can also be conveniently stored and charged in the notebook's pen slot.