An attachment section suitable for connection to a handle section of an oral hygiene device is disclosed. The attachment section includes an attachment housing having a first coupling structure suitable for establishing a connection with a second coupling structure of the handle section; at least a functional element mounted at the attachment housing for driven movement; a motion transmitter extending in a cavity formed inside of the attachment housing, the motion transmitter being functionally connected on one end with the functional element; and a first magnetic coupling element arranged at another end of the motion transmitter, the first magnetic coupling element including at least a permanent magnet or a magnetizable element suitable for establishing a magnetic connection with a second magnetic coupling element provided in the handle section.