1. Security: Draw in low temperature, warm pen point, safer to use; Available with mobile power, keep away the danger of alternating current. 2. Convenience: Compatible with android phone cable and power adapter. The design of USB interface is available with mobile power, which makes creation possible anytime and anywhere. 3. Worry-saving: One-click operation , easy to learn, reduce incorrect operation, easy to dismounting, less after-sales issues. 4. Much more fun: Matched with middle-school textbooks, over 100 exquisite paper mould, imported plastics-absorption mould, silicone rubber mould, electronic accessories, you can make plane doodle, three-dimensional painting, and creative handcraft as you like.