13 Levels: Rechargeable heated socks has 3 levels temperature adjustment, long press the battery button for 2 seconds to turn it on, short press the gear change, and you can adjust the heating level according to your own needs. 24000mah Battery: Heated socks has a built in 4000mah large capacity rechargeable battery, which lasts for a long time and can display the power and heating level. 3Soft Comfortable: Electric heated socks is made of cotton and PU, which is soft and elastic, providing lasting warmth, comfort and ventilation. 4Wide Application:Heated socks is cold proof, warm keeping, can resist bad weather, and is suitable for different situations. It is a necessary equipment for motorcycle riding, hiking, skiing, fishing, hunting or outdoor activities. 5Fast Heating: Heating socks can heat quickly and promote circulation in the feet, especially for the elderly. It is an ideal choice for indoor and outdoor winter activities.