313 Digital Writing Tablet, 4.4-inch LCD Writing Pad eWriterDigital Writing Tablet, 4. 4 inch LCD Writing Pad eWriter Tablet Electronic Graphic Tablet Drawing Board Notepad What does it do? (applicable to any age group) Children's manual brain intelligence development, students drafting drafts, paintings, graffiti; Business office message reminder (high light and writing, can be seen 20 meters away); Refrigerator, kitchen, family message; Work stress is upset and irritated, and graffiti is relieved everywhere;