A device for stimulating a human erogenous zone with a variable pressure field, comprising: - a housing on which a handle portion and a stimulation portion are formed; - a driving device arranged in the housing and configured to repeatedly provide a driving movement; - a pressure chamber (4, 16) arranged in the housing for providing a variable pressure field and surrounded at least sectionwise by a chamber wall; - a displaceable chamber wall section forming a section of the chamber wall and coupled to the driving device such that the displaceable chamber wall section is repeatedly displaceable between different wall positions in response to the driving movement coupled thereto, whereby a chamber volume of the pressure chamber (4, 16) is repeatedly increased and decreased for generating the variable pressure field; - a housing opening arranged in the stimulation section and in fluid communication with the pressure chamber (4, 16) such that the variable pressure field generated by means of the pressure chamber (4, 16) can be delivered via the housing opening in the form of underpressures and overpressures; and - a sealing device associated with the housing opening and arranged in the region of the stimulation section and configured to seal the pressure chamber (4, 16) from the environment during operation; wherein, in the driving device, a coil device through which an electric current flows during operation is movably arranged in an associated stationary permanent magnetic field and coupled to the displaceable chamber wall section for transmitting the driving movement, characterized in that a volume ratio between a volume of the pressure chamber (4, 16) and a volume region on the rear side of the driving device in the housing is at most 1, and in that the device further comprises: - a battery device configured to provide a driving energy for the driving device. - a housing on which a handle portion and a stimulation portion are formed; - a driving device arranged in the housing and configured to repeatedly provide a driving movement; - a pressure chamber (4, 16) arranged in the housing for providing a variable pressure field and surrounded at least sectionwise by a chamber wall; - a displaceable chamber wall section forming a section of the chamber wall and coupled to the driving device such that the displaceable chamber wall section is repeatedly displaceable between different wall positions in response to the driving movement coupled thereto, whereby a chamber volume of the pressure chamber (4, 16) is repeatedly increased and decreased for generating the variable pressure field; - a housing opening arranged in the stimulation section and in fluid communication with the pressure chamber (4, 16) such that the variable pressure field generated by means of the pressure chamber (4, 16) can be delivered via the housing opening in the form of underpressures and overpressures; and - a sealing device associated with the housing opening and arranged in the region of the stimulation section and configured to seal the pressure chamber (4, 16) from the environment during operation; wherein, in the driving device, a coil device through which an electric current flows during operation is movably arranged in an associated stationary permanent magnetic field and coupled to the displaceable chamber wall section for transmitting the driving movement, characterized in that a volume ratio between a volume of the pressure chamber (4, 16) and a volume region on the rear side of the driving device in the housing is at most 1, and in that the device further comprises: - a battery device configured to provide a driving energy for the driving device. wherein, in the driving device, a coil device through which an electric current flows during operation is movably arranged in an associated stationary permanent magnetic field and coupled to the displaceable chamber wall section for transmitting the driving movement, characterized in that a volume ratio between a volume of the pressure chamber (4, 16) and a volume region on the rear side of the driving device in the housing is at most 1, and in that the device further comprises: - a battery device configured to provide a driving energy for the driving device. - a battery device configured to provide a driving energy for the driving device.