LOCOMO Mini Handheld Portable Fan Air Conditioning Water Cool Cooler USB Battery Operated ELG043 Note: This listing is for 1 fan only. Random color Up to 30F cooler: best used in hot and dry environments. Adjustable speed and direction (90 degree) control. Simply add water to activate patent-pending cooling feature. Power: USB (cable included) or 4 x AA battery (not included)