USB Heated Socks for Men & Women Indoor Foot Warmer Fast Heating 40°C Temp

Suitable for American women: 7.5 - 10.5; Men: 6 - 9: Specifically designed for American women's sizes 7.5 - 10.5 and men's sizes 6 - 9.
Soft thermal acrylic; fleece lining: Made with a thick thermal acrylic outer layer and fleece inner lining, it feels soft and comfortable, with excellent warmth retention. This thermal sock can effectively block the cold wind, keeping your feet warm throughout winter or cold weather.
Relaxing warmth, upgraded experience: Feel the gentle and lasting warmth, creating a comfortable and relaxing space for your feet. This thoughtful warmth can effectively relieve tired feet after long standing or walking, helping you completely relax your body and mind.
Constant temperature 40°C; rapid heating: Using the heating pad can provide a safe and stable constant temperature experience, with a temperature maintained at 40°C, warm and comfortable. USB powered, supporting 5V/2A power supply (recommended).
Multi-functional indoor foot care products; gift option: Ideal for men, women, the elderly, and students as a pair of thermal slippers. Suitable for bedrooms, dormitories, offices, or travel use. An excellent birthday, Thanksgiving, Christmas or holiday gift for family, colleagues or yourself!