Battery-powered portable fans are an absolute must for many people in the scorching summer heat but if used incorrectly they can add to the risk of heatstroke and even cause harmful accidents.

But you don't have to work in an office to get the benefits. These portable USB fans are handy for anywhere you want some cool air, especially when an electrical outlet isn't available.

Just in time for the upcoming holiday season, the number 1 portable fan brand in the world, JisuLife has officially lanched ...