This a mini fan which can also be used as air cooler when ice cubes are put in, it personal fan / air cooler can be use in offices , front desk, bed top, table top for maximum impact it only affects the directions or space it’s facing, It’s a USB plug only And a battery system Incase of light out , give you a steady stream of conveying cold wind,brings a trace of coolness. You no longer worry about such Hot weather