- Size: L • Electrically heated slippers that provide efficient and even warmth in the forefoot area, reaching up to 65 °C to keep your feet warm and promote blood circulation. • Three adjustable temperature levels (low, medium, and high) via a button on the battery, allowing you to adapt the heat according to your needs. • Made with high-quality materials: soft lining, plush padding, and non-slip rubber sole for greater comfort and safety both indoors and outdoors. • Equipped with 3.7 V and 3400 mAh rechargeable batteries, connectable via universal USB cable, with up to 7 hours of autonomy after a full charge. • Perfect for those seeking warmth and comfort on cold days, helping to relax muscles and keep feet comfortable throughout the day.