These heated thermal socks heat up within 1 minute. The heating area is front instep. The temperature up to 120 °F to warm your cold feet in cold weather. Fit for winter outdoor activities such as hiking, cycling, hunting, ice fishing, camping, travelling etc.
Our heated socks are made of 95% cotton and a built-in energy gauge, the electric heated socks are designed to be flexible and breathable, which can be comfortably worn with all types of shoes!
Rechargeable heated socks include one pair of 3.7V 2600MAH rechargeable Li-ion polymer batteries. The battery lasts approximately 6 hours in maximum temperature mode and 8.23 hours in lowest temperature mode when fully charged.
Voltage: 3.7V 5.Remote control effective distance: 13 meters 6.Size: S Size is suitable for 36-40 shoes (foot length 23-25cm). L size is suitable for size 41-45 (foot length is 25.5-27.5cm). It is recommended that women wear size S and men wear size L.