USB 5V carbon fiber heating element, infrared heating. Plug in the USB port to heat up. It becomes warm, not heat.
Each shoe has a heat-generating chip that requires 2 USB ports or a USB adapter for obtain maximum heat.
Shoes are one size, pink shoes fit (35-39 size / 22-25cm), gray shoes fit (39-43 size/25-26.5cm)
It is a great gift: send to lover, send to parents, send to child, and this winter is no longer cold.
Note: There is a zipper between the shoes and the sole to place the heating chip. When cleaning, open it and take the chip out. It can be washed by hand or machine. When using it again, make sure the shoes are dry.
Sue Supply Chaussures Chaudes Chaussures USB en Peluche USB Chaussures Chaudes électriques Chaussures de Chauffage Pieds Fournitures Chaudes Couple Gris B07L9RQWLY