Common Problems & Solutions : READ NEXT INFOS BEFORE YOU USE IT.\r\nProblem 1: I received the cooler and it doesn\'t work. Solution: Fully charge the battery till the LED light turns GREEN.\r\nProblem 2: Can i charge it with phone adapter? Solution: Yes. please make sure it is a 5V-2A one, or you will meet problems likes insensitive buttons, power down itself.\r\nProblem 3: The sprays stop working. Solution: Clean the spraying holes from outside, it may be blocked by impurities in the water.\r\nProblem 4: The cooler can\'t cool down the room. Solution:  The cooler is for personal use, it can only cool the space around you. It is hard to cool the whole room.\r\nProblem 5: I don\'t feel cool in front of the cooler. Solution: Add ice cubes to the water, it would cool the water, which results in cooler air.\r\nProblem 6: How many ice cubes can i put into the water tank? Solution: You can fill in as many as possible ice cubes, after all, just to make sure there is water to cover the atomizer consumption.\r\nProblem 6: There is water in the tank, the unit is used? Solution: Only NEW products we sell, we will test them before packing.\r\nANY PROBLEM YOU MEET, PLEASE CONTACT US, WE ARE HERE READY TO HELP!!!