Mobile stand ball pen, Functions : 1 writing works very smoothly on most of the surfaces, 2. Stylus works on every touch screen devices like mobile , tablet etc. , 3. Mobile, tablet stand for multiple purposes like viewing videos, giving presentations, operating mobile and tablets. i a very usefull ball pen for students, girls and boys everyone. For gifting purpose as well for teachers, friends and others on occasions like Teachers day , friendship day, birthday or birthday return gift, etc. Its a thing that you will always keep in your Pocket.