<h4 class="product-detail-title">Description</h4><div class="product-detail-text"><ul class="product-detail-attribute-value"><li>Heated insoles, foot warmers, electric foot warmers, USB rechargeable shoes, cut-out foot warmers plus sizes for boots, hiking, camping, washable</li><li>insoles: keep your feet warm during the cold season - even heat distribution for optimal blood circulation in the feet</li><li>the foot warmer is handy with USB interface.  USB socket, one end of the USB power line is connected to the computer's USB port and the other end is connected to the insole.  Can be put directly into shoes, easy to save.  Easy to use, just put on your shoes and plug in the power supply to enjoy the warmth.</li><li>voltage, safety and energy saving.  Perfect for keeping your feet warm in winter.  Standard heating pad performance is 5V 2A.  The heating pad can be cleaned.  Dry before use.  You can clean it with water for recycling purposes, but keep the interface away from water when connecting the USB power supply.</li><li>The heating pad can be cleaned.  Dry it before use.  You can clean it with water for recycling purposes, but keep the interface away from water when connecting the USB power supply.</li><li>shoe inserts for men and women, for skiing and other snow sports).  Army, police and rescue personnel.)  Against the cold in the home.)  Outdoor cycling.)  Working in the cold outdoors or in the refrigerator.</li><li>[USB cable]: gross weight 0.08kg/pair</li><li>box size 58×54×41cm, 300 pairs/box, gross weight 21kg.</li></ul></div>

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USB heating insoles - Black