Stay Toasty, Stay Trendy! 🔥 Built to withstand the elements with premium materials. Easily connect or separate for ultimate convenience. Designed for comfort and style, perfect for any occasion. Experience warmth in seconds with 20% more power density. Stay warm for 8+ hours or charge your devices on-the-go. 10000mAh Battery 4 Heat Levels Magnetic Design The OCOOPA Hand Warmers Rechargeable 2 Pack features a unique magnetic design, allowing for versatile use as a single or dual hand warmer. With four adjustable heat settings reaching up to 136°F and a powerful 10000mAh battery, these hand warmers provide long-lasting warmth and can also charge your devices. Crafted from high-grade aluminum, they are both durable and aesthetically pleasing, making them the perfect tech gift for outdoor enthusiasts.