This is not an ordinary rice cooker, it’s the world’s first rice cooker that applies microwave heating function! There’s no Teflon coating layer on the inner container. Rather, it is made of obsidian medicinal stone, which when heated in by microwaves releases many of the trace elements needed by the human body. Inspired by the smooth obsidian, its design uses black as the essential color to reflect calmness and purity – what is lacking in today’s society.