About this item【4000mAh Rechargeable Batteries & 4 Heat Levels】The heated socks come with a pair of 3.7V/4000mAh rechargeable Li-ion batteries to keep your foot warm for up to 3-9 hours. Designed with 4 heating levels, including low heat (35⁰C; 9 hours), medium heat (45⁰C; 7 hours), high heat (55⁰C; 5 hours) and ultra heat (65⁰C; 3 hours), take socks enjoy the whole warm winter.【Soft & Breathable Material】These heated electric socks are made of soft, high quality cotton fabric specially designed to support your arches and ankles. The heating area is located on the instep and sole, with circular heating that extends over the entire foot, providing a feeling of fullness and warmth over the entire foot. You can enjoy warmth and comfort w.
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