AmiCool 200ml Mushroom Mini USB Humidifier Purifier with LED Light for Office Home Car travel(Red) Touch inductive switch: Single click switch control spray, quickly double-click switch control night lights. Operation Instruction: Keep the cotton swab wet before use. Add appropriate amount of water to the container, install cotton swab, then cover humidifier and connect the usb cable, open switch to enjoy the cool mist, help to keep your skin and eyes moist. USB Cable Power Supply: Charging by a 3.4 ft USB cable, compatible with computers, laptops, portable chargers and other devices with USB output. Multifunction: Mini mushroom lamp humidifier, portable and save space, perfect gifts for girls, children, parents and friends, suitable for office, bedroom, baby room, home, car. The Haoran Advantage: Our products have been tested, can work continuously for 5 hours or so, you can turn on the blue LED nightlights when spray. High quality eco-friendly ABS/PP material, good hand feeling and wear resistance water seal, don't worry about water flowing out.