Semelles chauffantes USB pour chaussures, tapis chauffant pour pieds, semelles chauffantes électriques, semelles thermiques lavables et chaudes, semelles unisexes WJ014

Features: High conversion efficiency, energy saving, the average hour with one degree of electricity. Easy to cut to the size you need. Applicable to various shoe types. Make your foot more comfortable and warm. Removable design, convenient and clean. USB charger,connected to PC, laptop,charger, keep your feet warm indoor. Specifications: Color: Black Material: Carbon Fiber Function: Foot Warmer Applicable Gender: Unisex Maximum Voltage: 4.5V Heating Range: Within 35 Shoe Line Insole Thickness: 4mm / 0.20'' (appr.) Package Includes: 1 Pair X Heated Insoles 1 X USB Cable Three Kinds of Heating Methods 01 / Portable Charger 02 / Computer 03 / Plug