1. High Quality Flannel Composite Fabric:

Made of high-quality flannel composite fabric, it is light, soft, and comfortable, with good thermal insulation and long service life.

2. 50-60 ℃ Constant Heating Temperature:

As a necessary warming artifact in winter, it heats at a constant temperature (50-60℃) to bring comfortable warmth to your feet in cold weather and drive away the cold.

3. 5V USB Cable Powered:

Universal USB interface, compatible with a variety of charging devices, such as adapters, mobile power supplies, car USB interfaces, computers, etc.

4. Suitable for Multiple Occasions:

Size: