Note: Please choose the style you need before buying. Our heating socks have switch temperature control and no switch temperature control. Please check the purchased product before placing an order. If you have any questions, please contact our customer service ,thanks Features: ● Socks can adjust the temperature through mobile phone applications, so that the temperature can be quickly adjusted at any occasion. And provide a designated time to close the service ● The strategically placed heating use far-infrared fibers to obtain the best heating performance. It can stimulate blood circulation in your feet and is very suitable for people with arthritis feet, long-term cold and stiff joints ● The heating element covers the entire toe area ● This heating sock uses 5V/5000mAH rechargeable battery, charging faster than other products. ● The temperature control button can easily access 3 heating settings ● Used for winter sports, such as skiing, hiking, hunting, snow shoveling, fishing, cycling, cycling, etc. Specification: Product name:Electric Heated Socks Color: Black,Gray Size:One size Battery:5V/5000mAh rechargeable lithium battery or 3.7V/4000mAh rechargeable lithium battery Charger:8.4V 1.5A, US, EU, AU, UK plugs on option Feature: Thermal & Non-slip Suitable for: Motorcycling & Skiing & Hiking & Fishing & Hunting & Cycling activities Package Includes:(according to Buyer choose) 1*According to the picture content