A device 10 comprising a vibratory means 1 which applies vibrations of a controllable and adjustable amplitude and frequency to the frenulum of the male genitalia, the vibratory means 1 not requiring the user to hold it in place during use, and wherein the vibratory means 1 are further adapted to apply vibrations to the female genitalia during use. The vibratory means 1 may be held in place by means of an elasticated strap 2. A control unit 11 controls the amplitude and frequency of the vibration.