MKYUHP Artic Air Personal Air Cooler, Portable Air Conditioner, USB Mini Evaporative Air Cooler, Humidifier, Purifier with 3 Speeds and Extra Quiet Sleep Mode for Office Room Outdoors3 in 1 FUNCTION: This portable air cooler has three functions including air cools, humidifies, and purifies by no leak water tank and reuseable exclusive NANO filter paper. USB fan can keep the indoor humidity which will not make you skin dry. This personal air cooler can fast cool down the hot air around you with 3 fan speeds. PORTABLE & EASY TO USE: With portable and compact design, this USB air cooler can be easily moved around. You can place it in