Electric Heating Socks / Winter Foot Warmer

This Electric Heating Socks pair is made of 100% cotton and comes with two energy-saving battery boxes with circuit controlled discharge, two straps and 6 rechargeable No. 5 batteries. The nano carbon fiber silk+cotton sock is 31-33CM (36-43 yards) long and can be used continuously for 4-6 hours. 

1-PCK