Description Description: The oil diffuser cover is filled with natural salt crystals. When the light is turned on, the salt stone is heated and can effectively remove peculiar smell in the air and purify the air. The salt lamp diffuser gives your home and office a special atmosphere. Features: [Crystal Salt Stone] The salt stone lamp is a great diffuser aromatherapy which creates aromatic and tranquility. [Colorful light] This personal humidifier with warm light, 7 color-changing lights and 7 kinds of single-color light can create a warm and romantic environment. [Useful] The naturally ionized air also helps you sleep better at night, allowing you to wake up refreshed. [Great Gift] A perfect gift for Christmas, holidays, birthdays, grads, thank yous and special occasions. [Easy to use] One button to adjust light color, turn on/off. Just plug in a USB port to use. Features: White color; Black (optional) Material: ABS, PP, Electronic Components Style: Casual Input: DC5V Occasion: