Mountain Gold USB-Lamp, Pink, Natural Himalayan Salt Crystal Rock Approximately 3.5-4-Inch Tall, 600g-Powered by USB Cord from Computer or Laptop Made of hand-crafted salt crystal rocks from the foothills of the Himalayas Cleans and purifies the air, and reduces electromagnetic pollution to induce feelings of tranquility and peacefulness Improves mental alertness, mood and concentration Increases energy levels and promotes overall wellness