【Fast Cooling Down & Ultra-Quiet Speed】 This air cooler fan can fast cooling down the hot air around you. Easy to operate with ultra quiet 3 fan speeds, it has the 2 hours and 4 hours timer option to set the speed or non stop unless you turn it off【3 IN 1 FUNCTION】 Portable air conditioner fan can cool, humidify and purify the air around you. Allows you to add ice or ice water into the tank to accelerate the cooling speed, unlike other air conditioners, this cooler fan could maintain the indoor humidity which will not make you skin feel dry【7 Color LED Mood Light】 It can display 7 colors LED light which will generate more fun for user. The LED lights can change colors while use, working time 3-6 hours (full tank). It allows you to customize this mini air cooler and display a mixture of lights to set the mood and can be used as a night light