USB Heated Shoe Insoles Washable Can be Cut Foot Warmer Pad Winter Sock Mat

Specification: Insole fabric: EVA elastic fiber Temperature: 40-50 degrees depending on the environment Suitable size: 35-40 size: 230mm-250mm 41-46 size: 255-280mm (can be cut out to the size you want) Voltage: 5V2A 2 heating methods: 1. Home plug-in heats up suitable for sitting. 2. Powered by power bank can walk freely outdoors. Packing List: 1*USB Charging Cable 1 Pair of Insoles Note: This heating insole does not have battery and cannot store electricity or heat. The insole needs to be powered on to generate heat. It cools down when the power is turned off. It can also be used with a power bank for heating outdoors. Make sure that the power bank output is above 5V/2A. (This product does not contain power banks).