Product information:

Fabric name：cotton
Boneless sewing：Yes: Manual boneless seam head
Function:sweat-absorbing
Color:Dark gray: single sock (heat surrounding sole and instep)+ remote control + battery, pink: single sock (heat surrounding sole and instep)+ remote control + battery
Size:Uniform code

Packing list:

1 pair * socks

1*remote control 

1*battery