USB Warm Insole

the insole Currently on the market the insole main function of increase comfort, and use the insole to absorb sweat, and there's heat preservation effect. And to have heat preservation effect of basic principle is the heat preservation material to prevent heat loss inside the shoe, so there is a defect, when the human body the foot of temperature is low, the insole lose heat preservation effect, particularly for the frail crowd, will often appear sweating, sitting for long office or the Internet also prone to upper body warm cold feet; Also have some fever with chemical goods itself insole fever, its persistence and poor stability, and use of 220 V ac power directly heated heating wire heating of the shoe mat, unsafe. Wide and technology Co., LTD. Will test the bamboo carbon, heating, the dim and so on various technology together, thus developed a completely with the market demand for high-end USB products. This product access computer after five minutes to 45 to 55 degrees Celsius, and long