Melody and fragrance oils the perfect combination， being duly authorized by Sanrio， so cute Melody lead us into the world of sweet fragrance， fragrance stone patented modeling can absorb oils and then slowly release the flavor dissipates after use to be， essential oils can be adsorbed to be reused. Unlike aromatherapy diffuser fragrance bottle or is unplugged， no ignition， it can direct adsorption of oils， let the scent slowly spread out.