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Temperature, time and charging instructions:Can use repeatedly charging the heated insoles, open switch the insole began to heat and LED indicator light, turn off the switch stop heat LED indicator light turn off. The insole heat between52-55 °C temperature , charging full battery used three hours ,when you can use 3-5 hours. With the special changer(4.2 V / 500 mA two lines of lithium battery charger), Charging only required to output the line between the charger were inserted in the bottom of the DC head insoles,then LED indicator light show red, when full of electricity insoles, LED indicator light into green.
