Rechargeable USB Foot Warmer Foot Heater

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Say Goodbye to Winter Cold: Feel the warmth in your feet in just 3 seconds. If you suffer from cold feet, this foot heater is your winter essential. Slip your feet in and solve your cold feet problems this winter with these slippers that will keep the cold out.
2-Level Temperature Control: Unlike ordinary electric slippers, this product comes with a controller, allowing you to adjust the temperature to your preference. You can switch between medium heat (35-42°C) and high heat (43-50°C) with the temperature button. This is an indispensable item for those sensitive to the cold during winter. You can switch to the optimal temperature according to the usage location and surrounding temperature.
Convenient USB Power & Washable: Comes with two 4000mA mobile batteries. It is USB rechargeable, allowing for safe and simple power supply from laptops, mobile batteries, smartphone chargers, etc. The built-in batteries can also be removed from the side, and the cover is washable.
Indoor Walking Possible & Unisex: Designed in the shape of indoor slippers. They can be used regardless of foot size and are a unisex free size. These foot warmers will gently warm your entire feet, leaving you feeling energized.
Suitable for Various Scenes: You can wear them while sitting on the sofa for long periods, reading books, watching TV, or walking freely around the house doing chores. Perfect for children studying, the elderly, or office workers who sit for long hours, these slippers will help you spend the cold winter warm.

Used only once.
The charger can be stored, allowing for cordless walking.