<b>Instant Cool down in a Cost Effective Way</b><br> Unlike the traditioner air conditoner cooling the room by chemical, evaporative air cooler is a new kind of cooler that utilizes water and turning it to mists to cool your down, so it's environmental friendly and energy saving. Evaporative Air cooler is the future and we are the leader. We are the first one to adopt the Pump Motor and Ultrasonic Technology to presents cold breeze instead of paper filter as you can find on the market; You dont have to replace the filter anymore, besides, it's much safe in sanitary perspective.<br><br> <b>All in 1 Cool Solution</b><br> In Summer, How could you live without fan, humidifier and air conditioner? But here, you dont have to bother buying all of them, because this Portable Air Cooler solves all you problem of personal air circulation, humidifying air, cooling space in one device.It cools fast but much more friendly to air conditioner sensitive people like the elder and the kids,or pets; the mist and wind are both controlable to meet different demandings.<br><br> <b>For Better Operation, Please note:</b><br> 1.This product is designed to create a micro-climate, not cool a WHOLE room. For better cooling effect, please add ice tubes.<br> 2.Add Pure water if possible,to reduce scale.<br> 3.Please charge 10 minutes before start the air cooler if battery runs out.<br> 4.For faster charging, please use 5V/2A adapter(not included in the package) and the USB cable included in the package.