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 to applications, a USB pen holder for storage and three replacement pen tips for longer use. Features & Benefits 2,048 levels of pressure sensitivity and palm rejection Two quick-access side buttons can be configured for one-click open of your favorite apps Includes USB pen holder and three replacement tips Streamlined metal body design Powered by one AAAA battery Compatible with the following systems - Yoga C930-13, 730-13/15, 920-13, 720-12/13/15, Flex 14/15 IWL, Flex 6-11/14, Flex 5-14/15, ThinkPad X1 Yoga Gen 3, X1 Extreme, X1 Tablet Gen 3, Miix 720/720/700-12, Miix 520/510-12, Lenovo C340-14/15, Lenovo 300e.