An embodiment of the present invention is a main body having a shape so that a user can manipulate it, an input unit connected to the main body and performing an input operation by a user's manipulation, and recognizes information input by the user according to the manipulation of the input unit. An input including an input information recognizing unit and an expression unit having at least one expression member configured to be sensed by the user in an area of the outer surface of the main body to express information corresponding to the input information recognized by the input information recognizing unit. Disclosed is a feedback-based smartpen.
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