PURPOSE: To transmit voice of the family of the deceased and music or the like loved by the deceased to the inside of a cinerary urn by a method wherein a memory for storing voice data and a sound producing means that produces sound, based on the voice data, with a solar battery working as a power source are provided.

CONSTITUTION: A substrate 9 for producing sound is incorporated in a cover 8. A stabilizer circuit 10 for stabilizing supplied electric power, a memory 11 capable of storing beforehand voice data, a sound producing element 12 for outputting sound signals, based on the memory 11, a filter 13 filtrating sound signals in a specified frequency only, and an amplifier 14 for amplifying the signals are also incorporated in the cover. Then, output signals are inputted into a speaker 15 incorporated in the cover 8, and voice stored in the memory 11 is transmitted to the inside of a cinerary urn 6. A solar battery 21 serving as a power source is connected to a plug 17, and the substrate 9 is actuated therewith, enabling semipermanent transmission of voice to be possible. Thereby, voice of the family of the deceased and music or the like loved by the deceased can be transmitted to the deceased.