Universal USB C port, easy charging. You can enjoy up to 4 hours of continuous warmth at 70℃/158°F and up to 10 hours at the lowest setting. Batteries: 5V 5000mAh; Type-c inport. 🔥High-Quality Electric Heated Socks🔥Our upgraded heated socks are crafted from 4 layers of fabric for ultimate comfort-soft, warm, and anti-pilling.
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