Colorful Night Light Mode：7 multi-colored LEDs with two brightness settings are built into the device to create relaxing moods in your room. You can choose between two modes: the fixed color (the color remains the same throughout use) or the automatic change mode (the colors vary throughout use). Control One-Button：Portable USB humidifier is very easy to use. One button controls all functions, you just need to press the power button every 1 second to control the fog. Keep pressing the power button for 3 seconds to activate the nightlight and colored light function. Silent operation： Thanks to its ultrasonic technology, humidification is done discreetly (30dB) in a fine, cold mist. You can leave it on when you sleep or work and you hardly feel it. Security with Auto Shut-off：The personal baby humidifier will automatically turn off at the specified time (4 or 8 o'clock) . Or when the water runs out, it will also be an automatic shutdown. Besides, it is small, light and easy to carry, suitable for different occasions: bedroom, office, car, office, yoga room, travel and hotel. It can protect your skin, purify the air and keep you healthy. Perfect Gifts：An elegant decorative piece. perfect for men and women at home and offices. It is a good choice to use this cute humidor as a gift for your friends and family, your lover.