Lenovo Integrated Pen for L13 Yoga Gen 3/4/5Lenovo'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.