1Pair USB Heating Shoes Insole Quality Winter Warm Insoles for Feet Men Women Electrically Heated Shoe Sole Non Slip Shoe Pads 1Pair Quality USB Heating Shoes Insole Winter Warm Insoles for Feet Men Women Electrically heated Shoe Sole Non Slip Shoe Pads _x000D_ _x000D_ Welcome to our shop _x000D_ Dear friends : _x000D_ When you place an order, please note the following points! _x000D_ _x000D_ Color: Black _x000D_ Material: Carbon Fiber _x000D_ Function: USB Heating Shoes Insole _x000D_ Applicable Gender:Men Women _x000D_ Maximum Voltage: 4.5V _x000D_ Heating Range: Within 35 Shoe Line _x000D_ Insole Thickness: 4mm / 0.20'' (appr.) _x000D_ Package includes: _x000D_ 1 Pair X Heated Insoles _x000D_ 1 X USB Cable _x000D_ Transport: Sent within 24 hours. _x000D_ _x000D_ How long does the insole heat up? _x000D_ A: The heating time is based on the products with power storage function, this product does not come with charging treasure, can only be plugged in to heat, can be used with charging treasure, be sure to ensure that the output of the charging treasure is 5V/2A or more. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_