Functions: 1) Supersonic wave has mechanical massage effects, which can adjust penetration of hypodermal cells membrane and make skin absorb nutrition effectively 2) Supersonic wave can produce tepid effect, which can reduce excitability of nerve, accordingly calm nerve and ease pain 3) Supersonic wave can produce super energy, which can introduce remove spot essential into dermal layer, accordingly decompose pigment and weaken spot 4) Stimulates partial circulation of blood, enhances metabolism and replenishes skin with moist content and nutrition 5) Dissolves hypodermal fat, which can improve pouch and black eye socket