A scent diffuser device electrically charged in a wireless manner contains: an aromatic element, a wireless charger configured to convert first electric currents into electromagnetic signals, and a heater configured to receive and to convert the electromagnetic signals into second electric currents, by which the heater operates. The heater includes a case, a container, a heat insulator, a wireless charging receiver, and a heating unit. The case has an accommodation chamber, and the container has a holding space, a bottom fence, and a thermal conductor. The heat insulator includes two open segments so as to accommodate the container, the heating unit, and the thermal conductor. The holding space is configured to accommodate the aromatic element, and the wireless charger is electrically connected with a power supply so as to produce a magnetic field to send the electromagnetic signals and energy.
