Armpit fan can be used to keep cool during summer heat. Photo: ThankoArmpit fan can be used to keep cool during summer heat. Photo: Thanko

A Japanese company has developed a solution to keep cool during summer heat: an armpit fan.

The device is a miniature clip-on fan that can be clipped onto shirt sleeves. The fan, called Under the Armpit Cooling Device (Waki no Shita Kura in Japanese) circulates cool air through the users’ clothes at three adjustable speeds, keeping the user cool at all times.

According to Rocket News 24, the clip can also be attached to the neckline of a long sleeve shirt or to the waistband of trousers, circulating the air to the lower body.

The fan works on batteries, which last around nine hours, depending on which speed is used.

A set of two fans are sold at Japanese company Thanko’s website for 3,800 yen (€32).

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