Electric Heated Insoles Shoe Insert USB Powered Heating Washable Snow Foot Warmer

Description 1 Electric heating insoles Heating in 3 5 min after power 2 USB heating Not rechargeable You can use the powerbank or USB portable power supply while using Not included 3 Universal insole you can use it with any kind of shoes 4 Washable please dry them before next time using 5 Unisex universal and practical Specification Name Electric heating insolesMaterial Carbon fiberColor BrownRated Power 2WVoltage 3 7VSize US 36 37 38 39 40 41 42 43 44Note 1 Make sure your feet size before cutting 2 Please allow a little error due to manual measurement Package Included 1 X Pair Electric Heating Insoles1 X USB Cable