OCOOPA Hand Warmers Rechargeable 10000mAh Magnetic USB Heater UT3 Pro Black

Ultra light. Ultra Thin: With a thickness of 1.85cm (0.72"), UT3 Lite can easily fit into your pockets. They weigh only 65 grams each, making the pair 40% lighter than an iPhone. Premium quality: Excellent experience in every aspect.

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