★New★ Fieldsheer Battery-Powered Merino Wool Heated Socks - Size M FIELDSHEER Color: Gray Size: M Size Chart Women's Men's M 23-26cm 23.5-26.5cm 【Product Features】 Keeps your feet warm, perfect for winter leisure, outdoor activities, and outdoor work. Specially designed for cold regions, ensuring warmth and comfort in any weather. 3-level temperature adjustment allows for use in various environments. Includes a remote control for power on/off and temperature settings. Rechargeable for repeated use, making it economical. Machine washable for frequent use. 【Product Details】 You can adjust the heat level to one of three settings to suit the environment and climate. Equipped with a 3.7V/4000mAh lithium-ion battery, it warms your feet for a long time. The MobileWarming® battery is specially designed to provide power for extended periods. A dual USB cable (Type C) is included, allowing simultaneous charging of both foot batteries. (Charger not included.) You can easily change the temperature using the wireless remote control, as well as operating from the battery itself. The lights on the battery indicate the set temperature and remaining battery life. Heat Level High Middle Low Operating Time 5+ hours 8+ hours 16+ hours Temperature (after 30 minutes) 57℃ 51℃ 40℃ ※ Temperatures and operating times are approximate. They may vary depending on the usage environment. ★Price is not negotiable.