Battery-Free Convenience: Enjoy the freedom of a rechargeable hand warmer without the hassle of constant battery replacements. This eco-friendly device is designed to keep your hands warm through the coldest months, ensuring you stay comfortable without ongoing costs. Chemical-Free Heating: Experience safe and sustainable warmth with our magnetic hand warmer. Free from high-concern chemicals, it offers a healthy heat source for both men and women, making it an ideal choice for those who prioritize environmental and personal health. Perfect for Outdoor Activities: Whether you're hiking, camping, or just enjoying a winter stroll, our USB rechargeable hand warmer is your ideal companion. With three adjustable heat settings, it provides tailored warmth to suit your needs in any outdoor scenario. Ideal Gift for Winter: Looking for a thoughtful and practical ? Our magnetic hand warmer is perfect for friends and family who love spending time outdoors. It's a thoughtful way to keep your loved warm and cozy during the chilly winter months. Color: As Shown Material: ABS+Aluminum Alloy Package Contents: 1*Hand Warmers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.