Simply add water or ice, USB powered or a Power Bank. Currently on sale @ £39.
Kronabelle USB Air Cooler with 6 Fan Speeds, 6H Timer, and Mood Light, Portable Digital Display Air Conditioner with 300Ml Water Tank for Home, Office, Dorm
USB Air Cooler with Humidifying Spray, 5000 Mah Battery, 20.6 Fl Oz Water Tank, Quiet Misting Fan with Led Display
Desktop USB Air Cooler with Spray Function, Portable Oscillating Fan for Personal Use, Compact Evaporative Cooling Device for Home and Office(Green)
Portable USB Air Cooler with 500mL Misting Function and 3 Speed Settings Evaporative Cooling Mist Fan for Home and Office
Autilyshop Leafless Spray Fan Portable USB Air Cooler with Water Spray for Home Office Bedroom Safe Bladeless Design Compact 43x17.8x15cm White for Cooling Comfort(White)
RiToEasysports Humidifiers for Bedroom Portable USB Air Cooler with 500ML Water Tank 7 Color Night Light for Office Dorm Outdoor Use
