Bring your ideas to life with the Lenovo Active Pen. This pen boasts pin-point accuracy, palm rejection technology and 2,048 levels of pressure sensitivity to provide a natural pen and paper experience when you sketch and jot down notes. Powered by a single AAAA battery, the Lenovo Active Pen also features two built-in side buttons for ease-of-access, a USB pen holder for storage and three replacement pen tips for longer use.2,048 levels of pressure sensitivity Palm rejection Two quick access side buttons USB pen holder and three replacement tips Streamlined metal body design Powered by one AAAA battery