The present invention deals with a new and additional aesthetical and customized decorative function to be given to the spectacles, in particular to the kind of spectacles used by young people and in particular entertainment and socialization places. Fundamental innovative feature of the invention is that of providing the spectacles with a light device D to be applied at sight on any of their external frame A, comprising a microphone (10) for the perception of the intensity of the sounds and noises, in order to reproduce and represent them visually in a light form, which is chromatically and proportionally intense, by means of a proper micro-processor (40), that transforms the sound intensity into lighting power of the display D by means of its printed circuit (30), said micro-processor being linked to a battery (50) as well as to a on/off switch (20).