【Anonymous Delivery • Free Shipping】 Fieldsheer Battery-Powered Rechargeable Merino Wool Heated Socks - Size M Mobile Warming Technology 【New, Unused】 ■Condition■ New, unused. Keeps your feet warm, perfect for winter leisure, outdoor activities, and outdoor work. Specially designed for cold regions, keeping you warm and comfortable 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. 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 keeps your feet warm for a long time. Mobile Warming batteries are specially designed to provide power for extended periods. A dual USB cable (Type C) is included, allowing you to charge both batteries simultaneously. (Charger not included.) You can easily change the temperature using the wireless remote control, as well as operating it with the battery. The lights on the battery indicate the set temperature and battery life. Heat Level: High / Middle / Low Operating Time: 5+ hours / 8+ hours / 16+ hours Temperature (after 30 minutes): 57°C / 51°C / 40°C * Temperatures and operating times are approximate and may vary depending on the usage environment. Size: M (Men's 23.5-26.5cm, Women's 23-26cm)