, copper hai ear drum type furnace.Specification: length 14.8 cm width 11.4 cm tall (6.8 cm thick) weighs 981 gThis is excellent, copper device in drum,flowering crabapple ears, a circle under the foot, his mouth, and furnace wall bore sintering, feel is sinking, knocking the good music.On desk, burn musk fragrance, wear clothes at night reading, the wor of ancient heart sound.Inscription "static study lent to hide"