| 摘要 |
According to an embodiment of the present invention, a smart pen includes: a first body provided for a user to grip the smart pen; a second body formed in an upper portion of the first body, having a smaller cross-section area than the first body, and formed in the shape of a pillar; and a coupling unit formed in an upper portion of the second body and provided to detach and attach a pen point coming in contact with or accessing a terminal. |
