A device suitable to be used during sexual intercourse and for electrifying nerves and/or muscles of the perineum, comprising: a housing shaped and sized to be attached to a perineum surface of a subject between a posterior aspect of the scrotum and the anus of said subject; at least two electrodes in said housing configured to deliver an electric field to a perineal tissue, wherein said electrodes are positioned entirely between the scrotum and the anus of said subject; a pulse generator in said housing electrically connected to said at least two electrodes, wherein said pulse generator generates an electric field with parameter values selected to affect at least one selected target within said perineal tissue; a control circuitry in said housing electrically connected to said pulse generator; a readable and writable memory circuit in said housing electrically connected to said control circuitry, wherein said readable and writable memory stores indications of at least one electric field parameter and/or at least one treatment program; at least one battery in said housing electrically connected to said pulse generator, characterized in that said device comprises a communication circuitry in said housing electrically connected to said control circuitry, configured to: (a) transmit values of at least one physiological parameter of said subject to a remote device; (b) receive wireless signals from said remote device which include values of at least one parameter of said electric field; wherein said control circuitry stores said received wireless signals in said memory and signals said pulse generator to generate said electric field based on said stored received wireless signals. a housing shaped and sized to be attached to a perineum surface of a subject between a posterior aspect of the scrotum and the anus of said subject; at least two electrodes in said housing configured to deliver an electric field to a perineal tissue, wherein said electrodes are positioned entirely between the scrotum and the anus of said subject; a pulse generator in said housing electrically connected to said at least two electrodes, wherein said pulse generator generates an electric field with parameter values selected to affect at least one selected target within said perineal tissue; a control circuitry in said housing electrically connected to said pulse generator; a readable and writable memory circuit in said housing electrically connected to said control circuitry, wherein said readable and writable memory stores indications of at least one electric field parameter and/or at least one treatment program; at least one battery in said housing electrically connected to said pulse generator, characterized in that said device comprises a communication circuitry in said housing electrically connected to said control circuitry, configured to: (a) transmit values of at least one physiological parameter of said subject to a remote device; (b) receive wireless signals from said remote device which include values of at least one parameter of said electric field; (a) transmit values of at least one physiological parameter of said subject to a remote device; (b) receive wireless signals from said remote device which include values of at least one parameter of said electric field; wherein said control circuitry stores said received wireless signals in said memory and signals said pulse generator to generate said electric field based on said stored received wireless signals.