Everything is simple and inexpensive. The two insoles are glued to each other inside the heating element in the middle of the insole. It does not heat much but heats. Bought for winter fishing. I will stuff a wire into my boots and stretch through my pants a power bank there is a powerful one for a long time. 1.5 meter long wire.
Came quickly. Warm, except for the Heel Well. even there is an instruction.
Winter Foot Warmer Insoles USB Electric Rechargeable Heated Shoes Insert Pads With Controller Outdoor Sports Thermal Insoles
Heat well
Winter Foot Warmer Insoles USB Electric Rechargeable Heated Shoes Insert Pads With Controller Outdoor Sports Thermal Insoles
