COLORFUL MOOD LIGHTS: The pure white ceramic tank can transmits light, so at night, after you turn on the inner 7 colors mood night light, this oil diffuser will be like a legendary luminous pearl, very beautiful and romantic, perfect decorative lights for you. You can freeze the color of light or let 7 colors auto cycle, if you dislike night lights when sleep, you can completely turn the lights off, easy and convenient. MINI BUT POWERFUL: It is small, full size 3.9*3.3inch, a little bigger than your palm, but it can contain 200mL water then keep runing in 6-10 hours with timer, in this case, only one time refill, this diffuser can serve you through a whole night or one full working day. Auto shut-off, BPA-Free, CE/RoHS/FCC quality certification, One button easy control, USB cable powered, search "B08KFQQNYD" for more sponge wick of replacement. AROMATHERAPY SPA: Add several drops of favorite essential oils in water, this diffuser will make instant and continuous aroma around you, enjoy aroma spa in your office or at home. Fragrance always let you happy and helps with stress, anxiety, relaxation, sleep, headaches and more. One device help you for both humidity and sweet smell(to ensure good aroma effect, please make sure your oils can be mixed with water well). BABY HUMIDIFIERS FOR HOME: Cool mist humidifier with ultrasonic tech. can help you improve air quality effectively, appropriate humidity will prevent your baby and elder from dry cough, relieve dry skin problems and helps cover the smell of pets or smoking. Oxygen anion from the vapor helps for better breath, extremely micro water drop will absorb dust and other harmless particles then help air to be clean and fresh. CERAMIC UNIQUE DIFFUSERS: If you are bored with plastic essential oil diffuser, this cute ceramic oil diffusers will be your better choice, flower looks, decorative, nice artwork for office, bedroom,living room, nursery, kids room and other rooms, bottom tank is made by pure white porcelain, unique gifts for friends, mother, family and business when christmas, xmas, birthday or others(USB powered, no adapter included).