Abstract: Device for controlling personal belongings and the like, of the type comprising at least one emitter unit (2) for emitting an electromagnetic signal and a receiver device (3) for receiving said electromagnetic signal, the emitter unit (2) being connectable to one of said items (15) and the receiver device (3) being mobile and suitable for being manually transported, and comprising signalling means (6) suitable for signalling that a distance threshold value between the receiver device (3) and the emitter unit (2) has been exceeded, the receiver device (3) being integrated with a mobile phone and suitable for identifying the emitter unit (2).