It is a healthy vest that emits far-infrared rays
Needed for those who do lots of outdoor activities during the winter time
·It emits far-infrared rays beneficial to the human body by using seca-wave paper As the source of heat
·Due to the fast temperature elevation effect of the heat source, it can reach the Maximum temperature within 5 to 10 minutes.
·Since it has a wide range of the heat source , it can maximize the effect of Far-infrared rays.
·It can be used semi-permanently, thanks to the excellent endurance of the heat source.
·With a battery of 4,400mA, it can be used for 8 hours at most.
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At least 10~1000 characters.