CORDLESS AIR CONDITIONER FAN:True wireless and portable design, small size, which won't take up a lot of space and can easily carry to anywhere. In summer, the best choice for camping and you can easily carry it out, very suitable for homes, offices, outdoor picnics, etc. (Rechargeable with Mobile devices for power supply) BIG CAPACITY & 2000mAh:300ML Large Water tank can be used for 4-5 hours when filling up. cold air can be sprayed continuously for several hours to keep the body cool at night for a good sleep. with mobile power supply, 30-50 hours working time via 2000mAh power bank, don't worry about power failure. 7 COLOR-CYCLE LIGHTS OPTON:7 Different Colors with Color-Cycle Option You can set the setting to an automatic color cycle, or you can fix the color you like. It can bring you a good mood and help you fall asleep better. MIST SPRAYER FUNCTION & 3 SPEED WIND MODE:The air cooler features with 3 wind modes (Low/Med/High) . Personal air conditioner cooler, fan, air humidifier, 3 in one multifunction design take you away from the hot summer, enjoy your cooling summer. SAVING ENERGY & HEALTHY AIR CIRCULATOR:It does not contain harmful refrigerants, nor does it use a compressor like a conventional power-consuming air conditioner. With high efficiency at low power of working wattage:1W-8W, it saves your electricity bills and does no harm to the environment.