Brand: BcamelysColor: BlueFeatures: Working Principle: The sound energy carried by the super vibration wave is the phenomenon of cavitation in the liquid. It will produce a large number of pressure micro-bubbles.The bubbles burst sharply to generate shock waves and constantly scrub the surface of the dishes which to achieve the cleaning of the dishes. Safe use: Mini dishwasher adopts integrated design, waterproof grade IP67, USB power supply, safer to use.