[Please Notice]: Each battery power heated socks has it's own rechargeable battery and a global charger. The indicator on charger instead of battery turned green means the battery is fully charged. Battery Heated Socks Keep you warm and comfortable all day, perfect for hiking, hunting, ice fishing, skii in the cold weather .No more cold feet in winter.

[Never toes cold] : We enlarge the areas of heated element and this battery heated socks heat feet soles. As the top of the foot is more sensitive than the bottom, so while battery heated socks get hot, it burns the sensitive part of the foot, it feels as if someone is sticking your feet with needles,compared with instep heating, sole heating can stimulate the acupoints on the soles of the feet to maintain good health and promote blood circulation in the body.

[Longer Working Hours ] : The electric heated socks Include updated 3.7V 4000MAH rechargeable lithium ion batteries instead of 2200 MAH battery on the market ,Heating Up to 19 Hours in Green Light(Full Charged),Also it comes with 3 Levels Temperature Settings- High (Red), Medium (Orange) and Low (Green). The temperature of this battery heated socks up to 150 °F

[Breathable& Heat Insulated Material]：The battery heated socks made from comb cotton ,which can be function both breathable and heat insulate. There's a pouch that you insert the waterproof battery into. This kind of battery heated socks can not machine washable.hand wash only ,please do remember take out the battery(or battery cable) befor hand wash.

Two years warranty : We provide two year warranty for this battery heated socks and If you have any question about these battery heated socks like charging issue, please contact us before leaving a review, we will solve it quickly and in the best way!