The device for diffusing volatile substances comprises diffusion means (1) for diffusing the volatile substances; and control means (2) connected to the diffusion means (1) that control the operation of the diffusion means (1), wherein the device for diffusing volatile substances also comprises detection means (3) connected with the control means (2) for detecting if the device for diffusing volatile substances is worn by a user or is placed on a surface.
It permits to provide a device for diffusing volatile substances that can be used as a portable diffuser and also as a domestic diffuser, detecting automatically in which it is used and adapting its operation mode.