Upgrated Personal Air Conditioner and Fast Cooling: The latest portable air cooler integrates desk fan, air cooler, misting humidifier and air circulator. The small evaporative air cooler cooling you in hot summer and can add ice water or small ice cubes to fast cool down the hot air around you, humidifying the air in dry autumn and winter. Ultra-Quiet & Adjustable Wind Speeds and Sprays: The air cooler can work effectively at low noise levels, will not cause noise pollution. There are 3 wind speeds and 5 caliber sprays(3 Spray Modes) to choose. You can manual up-down to adjust blowing direction to meet your different needs. 7 Color LED Atmosphere Light and 3 Automatic Timing: This small ac unit built-in an adjustable warm LED light, which has 7 soft colors and 1 fade choices in all, can be used as a bed light, place in dining or coffee table to create a romantic atmosphere! 3 automatic timing set(1/2/3H), you can choose the most suitable one to enjoy your leisure time,sleeping or working time. Portable Design and Energy-Saving: There is a portable handle, this USB air cooler could be easily moved anywhere you want. The portable air fan operates at a low energy consumption, simply connect the USB cable to the devices that support USB port. (Please note that it need 5V/2A input current to operate high level wind and spray). Warm Tips: 1.In order for the mist sprays to work better,Prohibit the use of pure water,Please use tap water and mineral water. 2.THIS IS NOT AN AIR CONDITIONER! It is a personal evaporative cooler, can not make the room cool, but it is much cooler than the fan.You need to be sitting in front of it to gain any benefit from the cooling air. 3. When the water runs out the fan continues to operate to still keep you cool.