Heated area and 3 heating settings :Heated area on the sole of the foot. With the advanced carbon fiber remote infrared (FIR) heating method, heated socks can heat up in seconds.
Rechargeable USB type C battery: 4400 m/Ah 3.7 V rechargeable heated sock battery can last about 3 to 6 hours. With batteries with larger capacity, heat socks can work for up to 6 hours on low temperature setting/blue indicator light (please fully charge the batteries before first use)
Comfortable material and easy to clean: Heated socks are made of 20% wool, 60% acrylic, 10% elastin, 5% polyester, 5% rubber. High-quality wool material with excellent heat retention makes you warm and comfortable. This heated sock for men and women can be washed by hand or machine (please remove the battery before washing)
Winter gifts and health care: electric heating socks can help promote blood circulation in the feet and relieve muscle pain to some extent. It is also a perfect gift for friends, parents and other family members on the coming Thanksgiving or Christmas Day. Give warmth and health to all people you care about.