The USB humidifier is portable for various occasions. Silent work with multi-color night lamp, the humidifier is no influence for your work or sleep. Humidify the air, helps to get rid of flu and cold germs to take care of family members and protect them from getting sick. Features: Large Capacity and Long Using Time: 320ml tank capacity & 40ML/H spray volume can work for 4-10 hours. Silent Design: Silent work with multi-color night lamp, the humidifier is no influence for your work or sleep. Two Mist Mode: Ultrasonic continuous spay and Interval spray mode (spray 3 seconds and then stop 3 seconds become a cycle) for different demand. Portable Small Size: Small and lightweight to take it wherever you go. The humidifier size is 68*68*143mm, it can be placed at bedroom, living room for babies, kids, or take to office, car or travel easily. Intelligent Switch Off: It automatically turns off when water is lower than safety line. The steam does not leave drops on the desk, makes sure your safety when you sleeping or driving. Best Gift: This is a wonderful gift for friends, families, girlfriend, boyfriend, husband and children. Specifications: Material: ABS + PC + Silicone + Electronic components Color: White, Pink, Black (optional) Input Voltage: DC5V/1A Working Current: 350MA Water Tank Capacity: 320ml Spray Volume: 40ML/H Power: 2W Usage time: 4-10H(MAX) Timing: 4 hours(first gear)/ 10 hours in second gear Item Size: 68*68*143mm Package Weight: 160g Package Size: 146*70*70mm Operation mode: 1. Click the function key: continuous spray while opening the marquee and timing for 4 hours. 2. Click the function key again: interval spray, spray 3 seconds to stop 3 seconds become a cycle), timing for 10 hours. 3. Click again to turn off the spray mode and light. 4. Night light: long press the function key for 1.5 seconds to turn on the 7Color Night Lights mode, then press and hold for 1.5 seconds for color setting, and then press to turn off the light. Before use, soak the cotton swab completely in water. Turn on the humidifier. If you hear a harsh sound, it means that the cotton stick is not wet through. It can be disassembled and then soaked in water If there is no fog, please wait patiently or soak the cotton stick in water, do not poke at the atomization port Package List: 1 * Humidifier 1 * USB Cable 1 * User Manual