Features: Fan & Night Light: With adjustable grille, touch switch and seven-color night light, this air cooler is easy to operate and convenient to apply. 3-speed and easy to use: We've improved this portable air conditioner to make it easy to set up and use. All you need to do is pour the ice-water mixture into the tank, connect the USB power cable, and adjust the fan speed. The three-step operation cools the hot air around you in seconds, making the wind cooler, wetter, and cleaner. USB Powered: The evaporative cooler comes with a usb cable that compatible with computer, power bank, wall chargers and any other USB-enabled power supply. Just plug it into the power supply for the whole day or night working. Perfect for your bedroom, office, living room and kitchen. Energy Saving & High Efficiency: This small air conditioner has lower energy consumption that is eco friendly and cost-effective. The Transparent large water tank will continuously last for 4-8 hours without replenish. At the same time with small lights, more beautiful. Gift:This portable air conditioner fan can make a thoughtful gift for friend or family who needs a comfortable and cool relaxing environment in the summer. Specification: Working voltage: DC5V Power: 5W Built-in battery capacity: 1200mAh Other functions: ultrasonic spray, colorful night light Portable Air Conditioner Fan Desktop Spray Humidification Fan USB Mini Fan Mist with 7 LED Night Lights Cool Mist Fan with Humidifiers Special design and Best gift