【Waterproof hand warmer】 Graphene heating is used, which is safer and can be used with confidence. It adopts a waterproof design, it can be washed freely, it is resistant to dirt and washable, and it does not worry about hair loss.
【Exquisite touch】 Hand warmer with flannel on the surface, in contrast to the cold metal surface, feels silky and warm. Compact size, foldable design, easy to carry, can be used in the subway/shopping/office. Universal USB interface and equipped with a 1.2 m extension cable.
【Rechargeable and Safe】 This hand warmer can be recharged repeatedly and is also eco-friendly. The circuit of this product has the input overcurrent protection design, overload protection, enhancing the perfect safety for daily use.
【Suitable for indoor and outdoor】 Ideal for camping, skiing, snowboarding, walking or any outdoor recreation in the cold season. Enjoy the extra heat.
【Instructions】 1. Unhook the back zipper and connect the USB plug to the power bank. 2.Press for 3 seconds to turn on, short press to shift gear, long press for 3 seconds to turn off. 3.You can also use a 1.2m extension cord. 4. Put your hand in the pocket on the back of the product.