【Brand New & Unused】 Heated Socks Black Unisex ● These warm heated socks use AA batteries. Heating Area: Toe area Batteries: 2 AA batteries (batteries not included) (Using Evolta or Eneloop rechargeable batteries is economical) ● These heated socks use energy-saving carbon fiber heating elements. When you turn on the switch, the heater surface of the heated socks will heat up, and the area around the heater will become warm. ● Comfortable fabric + Washable These heated socks are made with skin-friendly fabric, which feels warm and comfortable. The fabric is thick and retains warmth. The soft fabric blocks airflow, creating an extra layer of insulation and effectively retaining heat around the heater and your feet. These socks can be washed directly in a washing machine. Hand washing is also recommended. ⚠ Caution When using a washing machine, put the plugs in the pocket and place the socks in a laundry net. Be sure to remove the battery box. Please dry naturally before use. Avoid using a dryer. ● Great for various situations such as motorcycles, bicycles, winter activities, winter fishing, outdoor work, work, commuting to school, mountain climbing, sports, and outdoor activities. We inspect the items, but please understand that there may be minor scratches as these are overseas products. Operation has been confirmed. Yu-Yu Mercari Delivery ⇔ Raku-Raku Mercari Delivery may be changed. If you have a preference, please let us know in the comments before purchasing.