1. Breathable Fabric: The foot warmer is crafted from quality polyester material, featuring soft and comfortable plush fabric that is thick and warm. Its surface is designed with breathability to prevent foot odor and discomfort. The spacious interior allows both feet to be worn simultaneously. 2. Heated Foot Warmer: Equipped with a builtin heating element, this foot warmer provides rapid warmth and quick heating. Simply plug it into a socket for fast heatup. With balanced heat distribution, it ensures safe and efficient use. 3. Six Temperature Settings: Enjoy onetouch temperature control with a clear display. There are six adjustable settings ranging from 40°C (104°F) to 60°C (140°F), which can provide different levels of warmth for comfort. Advanced temperature regulation delivers consistent heat. 4. Four Timer Settings: The foot warmer includes a timer function with four duration options, from 2 to 4 hours. You can easily adjust the timer by pressing the timer button. This feature helps prevent excessive use during naps and promotes energy efficiency and safety.