Changing light color automatically, or you can choose one color as you want. Water-soluble essential oil can be used in this product, giving you a SPA at home. The adjustment of the time mode and the amount and of mist. technology turning the water or fragrance solution into mist. Features - Color: White. - Material: ABS + PP. - Size: About 12 * 15 * 5cm(L * W * H). - Capacity: 200ml. - Rated Voltage: DC 5V 500mA. - Power: 15W. - Vibration Frequency: About 2.4MHz. - Adapt Area: 8-12 square meters. - Humidify: humidify the air in the room during summer and winter, refresh the quality of air we breathe, adjusts the temperature in the room. - Beauty: refreshes skin and can be taken as care, keeps skin healthy and moist. - Purify: static, reduce of skin. - Relief: aroma therapy, relieve strain and ease stress. - Decoration: warms atmosphere in the room by adding perfume or essential oil in the . - Applications: Beauty salon, SPA, Yoga, Bedroom, living room, conference room, office, reception center, corridor, pet room, toilet, baby room, hotel, hospital or any other private/public places. Note: This item is charged by USB not plug. Package list: 2 * 7 Colors LED Aroma Humidifier Purifier Mist Maker Air Aromatherapy Essential Oil Diffuser