Gizmify Hand Warmers Rechargeable, Magnetic Electric Hand Warmer 2 Pack 4000mAh, 3 Levels Heat Up to 145℉, Long Lasting 16 Hrs Heating Portable Perfect for Outdoors, Great Gift For Women Men Black-White

2 IN 1 magnetic Hand Warmers: Our hand warmers are equipped with high-quality batteries that ensure quick and stable heat production and provide 4-8 hours of continuous heat, and the hand warmer is very light, can be used separately, magnetic design can ensure that it is not easy to lose, it is your warm choice for this cold winter.
Super Slim and Lightweight: A single rechargeable hand warmer weighs only 63.5g/2.24oz and is only 2.04cm thick, which is lightweight, comfortable to hold and more suitable for small hands. It can be easily tucked into gloves and pockets.
Stable Instant Heat: Within 3 seconds of activation, both hand warmers start emitting warmth. With three temperature settings available, you can adjust the heat level up to 131℉, ensuring to keep your hands comfortably warm even in the coldest of winters.
Long-lasting & Rechargeable: Built in high-quality 2*2000mAh lithium polymer batteries, prioritizing safety and reliability, our hand warmers can provide warmth for 4-8 hours, catering to all your outdoor activities.
Wonderful Winter Gifts: Give warmth and comfort with these rechargeable hand warmers to your friends, family or lover. Wonderful Gift for someone with chilly hands due to Raynaud's or cold weather.