cushion USB warmer.with a lower current from computer,the slippers can warm and massage your feet with good temperarue,safe!

Features

.Use the carbon fibre as the heaating material

.Warming the hand with the comfortable temperature(42+-3 Celsius)

.Be safe to people and computer with the lower voltage(5V)
 fineocean6 at gmail dot com

.With the switch on/off on the USB line for choosing if needs warming

.Can provide the models and colors as the requirements and do OEM