SNOW DEER Hunting Heated Socks for Men Women, Rechargeable Electric Heating Warm Sock for Motorcycle Hunting Ski Hiking Cold Winter Work Washable

【 7.4V Rechargeable Li-ion Batteries】The heated socks includes a pair of 7.4V 2200mAh Li-ion rechargeable batteries. The socks will last up to around 5-7 hours on the lowest setting , 3-4.5 hours on the medium setting and about 2 hours on the highest. Battery full charge around 3-4 hours. If need to doing sports or work in outside very long time , suggest to buy extra batteries (sold separately)【Heating Elements Covers Whole Toes】this battery socks upgraded to use far infrared heating elements Which can be stimulate your blood circulation .it is great for chronically cold feet from poor circulation,cold weather or simply just wanting more comfort and warmth.warm whole body【Easy Use & Care】The heating elements of electric heated socks covers whole toes , so the toes will feeling very warm , we recommend high setting for first 10-20 minutes ,then adjust to medium or low — depending on how chilly you're feeling. so it will feel better and can use longer time . Also , we recommend hand wash ,no machine dry【Great Gift】Great for use in colder weather when outdoors at work or at sports events. Electric battery operated heating socks are a great gift to give during cold weather season and is the best give in the thermal warmer heated clothing category.Perfect for any age and gender, great as a present【Good After Sale Service】If you have any futher questions or any quality size probems , please contact us.we will more than happy to assist you ASAP