A watch-type device comprises: first and second microphones installed on first and second sides of a body worn on a user′s wrist so as to receive sound generated by a motion of a user′s hand; and a control unit configured to perform a controlling operation to provide a user interface to a plurality of users based on the sound inputted by the first and second microphones and generated by the motion of the hand around the body. The purpose of the present invention is to provide a watch-type device capable of improving user convenience.
