Product information:

Fabric name: 100% cotton
Accessories: 1 pair of socks, 2 energy-saving battery boxes (energy-saving battery boxes, IC with circuit controlled discharge),2 straps
Long heating time: 6 rechargeable No. 5 batteries are installed, and the energy-saving mode can be used continuously for 4-6 hours
Hosiery tube size: 31-33CM (36-43 yards) long
Heating material: nano carbon fiber silk+cotton socks

Packing list:

Socks * 1 pair+battery box * 2+strap * 2