Small Size But Large Ability: This is a small humidifiers diffuser, full size 3.9x3.3 inch, little bigger than your palm, but its globose tank can contain 200mL water then make strong mist in 6-12 hours(timer 6 or 12 hours), one time water refilling can serve you in a whole night or all day's work, no need to refill at midnight or when you are busy at office. It is also very quiet, auto shut-off after water runs out, made by friendly BPA-FREE material. Worry-Free USB Powered: USB power completely protect you from electric shock, only 5V voltage and extremely weak electric current is friendly for children and elder. Moreover, USB can match almost all kind of power source, at home, you can plug in your cellphone charger, in office, your computer ports will work, outdoors, power bank will helps. Any other USB cable and cellphone charger will be a good replacement, we did not provide adapter because you had it. Colorful Mood Light & Aroma Spa: At night when you turn on the LED night light, 7 colors charming lights pass through ceramic cover, instant present the gleam from the ceramic material. Add in several drops of your favorite essential oils, instant fragrance will fill in the whole room, create a soothing environment helps you enjoying a moment of freedom, peace and relaxation. Together with the fantastic 7 colors light, what the most romantic room you deserved(black type have no night light). Humidifiers Help Your Clean Air: Humidifiers release much extremely micro water-drop and oxygen anion, which can absorb dust and other unhealthy particles, balance the humidity, help you improve air quality at home. Fresh air with appropriate humidity helps for those suffer from dry cough, dry chapped skin, chapped lips and others, reduce static electricity shocks, also cover the smell of pets & smoking. Oxygen anion, take effect like a salt lamp, helps for better breath, boost your sleep. Pure White Decorative Oil Diffuser: Made by smooth white ceramic, beautiful essential oils diffuser for home and office, artware and nice gift. Unique white flower top, shiny porcelain bottom, release fragrance for aromatherapy spa, at night, the colorful night light is magic, creating relaxing room. We believe everyone will love this, anyone will benefits from, the best choice of gifts for mother family friends on christmas xmas birthday(no adapter included).