Caspara Salts’ USB salt lamps are just a little distinctive from the rest. The way you can light it up is such a remarkable feature. It competes with the modern lamp’s USB electric wire, rather than relying on the plug and cord. The multicolored led lights illuminate the little air purifying salt lamp, negating the need for a conventional bulb. USB salt lamps have grown popular as one of the most fabulous salt lamps because of their vibrant colors and versatility. The fact that it is in such high demand assures its usefulness.