?? PORTABLE ?- Portable design, small size, you can easily carry it out, very suitable for homes, offices, outdoor picnics, etc. On summer, just press the switch to enjoy the air-cool, is your summer life's best partner. ??ECO-FRIENDLY & ENERGY SAVING ? - Low Energy Consumption same as the power consumption of a light bulb,uses no freon,much cheaper than running a freon air conditioner in Hot Summer Days.No blades exposed no possibility to hurt people and totally safe for using by kids or pets. ?? MULTIPLE POWER SUPPLY METHODS ? - Multiple power supply methods, you can use the USB port of mobile devices such as laptops for power supply. Use the charger to supply power through the wall outlet. With mobile power supply, 12 hrs working time via 20000mAh power bank, don't worry about power failure. ??FAST COOLING DOWN? - Fast cooling down the hot air around you. With 3 fan speeds, you could select the perfect wind power as you need. This air Personal space conditioner pulls warm air from the room through its evaporative water filter to create your personal space with both humidified and cool air, allows you to add essential oil, ice or ice water into the tank to accelerate the cooling speed. ??EASY TO USE & CONVENIENT? - All you have to do is add water into the tank of this desktop air cooler, plug it into USB port or power bank and TURN ON. Fill the built-in water tank once and it will last up to 8 hours. We recommend ice water for a cooler effect.