?★Material ?Safe and environmentally friendly material, the latest high-efficiency carbon fiber heaters; High density, safe lithium-polymer battery. Circuit and battery protected by a steel case Even if there is no remote control, you can adjust the temperature, double security!
?★Built-in Rechargeable Li Battery?Usb insoles rechargeable the heated soles of the built-in rechargeable li battery can be recycled more than 500 times. And on the heel of the insole have a bright indicator and adjustment buttons.
?★Remote Control And Temperature Adjustment In 3 Steps?The heating soles are supplied with a remote control. The temperature can be easily adjusted. The 3-level temperature setting makes it perfect for most people.
?★ Size Fit All? You can cut the unisex warm insoles into your own size according you need. The shoe size range is given on the insoles for your DIY convenience. One Size Fits All for Women and Men. Ideal for all kinds of shoes
?★Perfect For Winter? Electric heated insoles perfect for all kinds of outdoor activities such as running, fishing, hiking, skiing, motorcycling, hunting, climbing, running, sledging, etc. It can promote blood circulation, relieve stiffness of cold feet, enjoy the outdoors - carry even in a harsh winter!