Fucool&reg; Mushroom Mini Portable USB Air Humidifier Purifier Water Bottle with Led Light for Office Home Car Travel (Blue) Touch control for power on/off. It will display colorful light when working. PET material Eco-friendly,Water capacity:200ml,Size:15*8cm/5.9*3.1",The mode button has 2 different circulation mode selection: First- Misty+ LED Mode/ Second-LED Mode. USB cable power supply, plug it in computer,laptop or with power adapter then it will works. Remove unfavorable odors and smells.Moisturizing your skin.Portable for Car,Office,Home,Yoga,Office,Spa, Bedroom,Baby Room.Perfect gift idea for family and friends. Please use pure water to protect the humidifier, avoiding to use essential oil or other chemical corrosive substances. Relief from dry air, cold, flu, cracked skin in the winter and cold weather. Use as mister during summer or hot weather. Or even as a moisturizer for your hands by holding hands over mist.