Kasstino Portable USB Mini Rechargeable Air Cooling Conditioner Summer Handheld Cool Fan (Blue) Fashionable and rechargeable mini fan, built-in battery 1400mAh ). Double functions: Air-conditioner and cooling . Portable and mini design, conveniently and easily operate in anywhere. Anti-skid stainless steel frame holder: Adjust the wind direction you like. Please see the item description in the following, and learn how to install the sponge