“Quickly and easily carry your thinking and share it anywhere, anytime”. “Pen and paper” is the most clear and intuitive material to express our thinking. Neo smart pen N2 enables to express our flash idea or any thoughts through writing or drawing. This is the background developing N2. N2 is a dot code smart pen. Handwriting on the note supplied with N2 is digitally stored as vector data or images in the application of smart devices and it can be permanently stored and shared by E-mail, SNS, Message. N2 can be real time paired with smart devices by Bluetooth.