USB Himalayan Salt Lamp Round Sea Pink Salt Lamp Mini No Change Color Led Bulb 2.7", JIC Gem CONVENIENCE: Crystal salt stone and base together, plug in USB can be used Lamp and cord assembly are UL approved, USB plug-in, less than the height of the laptop.Good to use beside Computer or on Desk/Table Monochrome: Once lit the lamp will emit a light blue or blue purple color, but NO CHANGE COLOR, it is Monochrome. Therapeutic benefits for Health and well being Led light: 1 watt, can not heat, if you want salt lamp to be heat, you can enter(http://a.co/9ysHyA4) RECEIVE: Salt lamp will be similar to the one pictured, but the color will be different. SMALL and lightweight