Feature: Fast cooling down the hot air around you, cooler than fan and more energy saving than air conditioner! With 3 fan speeds, you could choose the perfect wind power as you need. This Air Personal Space Conditioner allows you to add ice water / ice to the tank to accelerate the cooling speed, the hot air around you will be cooled 5-7 ° C down.The USB portable air cooler fan can powered by such as power banks, laptops and other devices with USB ports, you can enjoy cool air anywhere you go, like in office / bedroom / library / living room / kitchen / tent and tours. And the intensity of the noise range is 30-46dB, it uses cross-flow air supply technology to make the motor quieter without affecting sleep.Color:White Rated voltage: DC5V-1A Rated power: 2W Input interface: Universal Android interface Third gear wind: small, medium, large (press the power button, the wind increases one level each time you press it) Product size: 166 * 152 * 142mm Product weight: 400g Single package weight: 520g Atmosphere light: with night light function (colorful colors, you can press the key to start the atmosphere light)Packing list: 1 air cooler 1 USB power cord 1 instruction manual 1 (Chinese and English)