Shenzhen factory wholesale fresh snow boots yak

Usage: Charging: Connect the battery end of the round head and USB DC power cord DC head butt, the USB power cable ordinary household charger into an electrical outlet, the top red light indicates when the battery starts charging; charging time about 7-8 hours, charging is complete, you can disconnect the power supply when the blue lights. Use: Place the battery into a pocket inside the shoe, will head insole DC power cord through the inside of the shoe pocket holes, will head insole DC power cord and battery power cord DC head butt, then the battery into the discharge state, begin heating insole heating element and gradually heated and kept at constant temperature 60-65 ℃, more than seven hours of sustainable heat. To stop halfway heating, simply disconnect the power cord is connected to two DC head. Notes: 1. The heating circuits and hot chips shoes have moisture protection, can adapt to the general wet conditions, but not soaked in water. 2, the heating power must be turned off when charging to avoid while heating the charge produced a strong current and damage the circuit. 3, non-driving nails and other sharp objects in the toe area to avoid physical damage to the heating element. 4, when not long, please charge and discharge within two months. 5, is strictly prohibited without permission to remove the battery.