Purified polyurea capsules that encapsulate active materials for use in personal care, fine fragrance, or deodorant products are provided as are methods for producing the same. Thus, the puff is advantageous in that the user can effectively transmit vibration of the oscillator to the puff according to a contact degree of the puff to the user’s skin. Thus, a delay library considering IR drop may be produced previously only for the flop-flop, thus enabling a production time of the library to be reduced and improving the calculation accuracy of the delay time in the delay calculation procedure. These timeline units are ranked by relevance to the user, and are used to generate a timeline or map view for the user containing visual representations of the timeline units organized by location or time. Two of the connecting pieces are adjacent to the bottom wall of the container and are fixed on the bottom wall by fasteners.