The Green Lion Transparent Pen Pro Is A Cool Pen That You Can Use On Your Tablet Or Phone Screen. It'S Smart Because It Can Ignore Your Hand Touching The Screen While You Write Or Draw, And It Even Knows How You'Re Tilting It To Make Your Drawings Look Better. The Tip Of The Pen Is Strong And Won'T Break Easily, Which Is Great For People Who Use It A Lot. You Can Use This Pen For 8 Hours Straight Before It Needs More Power, And It Moves Really Smoothly On The Screen, Making Your Writing Or Drawing Look Nice.