Clean-billion salt crystal lamps birth of hundreds of millions of years ago, the Himalayan region was originally a vast expanse of water, the towering mountains, the sea turns after the South Asian subcontinent Himalayan orogeny. Sun dried sea water to produce a crystalline sea salt, and after hundreds of millions of years of geological extrusion and underground high temperature, the underground mineral and sea salt to form a fossil of salt is a salt crystal. Crystal salt contains minerals and different colors such as red, white and black, the shape of the crystal. It contains 84 kinds of the unspoiled natural minerals and trace elements. Clean-billion salt crystal lamps, crystal salt are all imported from Pakistan. Each lamp is unique, creative, professional design, well-made, so the achievements of a clean billion unique salt crystal lamps. Jie billion is the crystallization of the natural, long-lasting and creative! Features: natural negative ion generator; electromagnetic radiation shield; relieve fatigue; scavenge free radicals, allergies