Stay warm and comfortable during your outdoor adventures with this innovative rectangular heated sleeping bag. Designed for versatility, it features a built-in electronic heating system powered by USB, allowing you to connect it easily to power banks or other USB power sources. The outer shell is crafted from high-quality, durable 190T polyester, making it waterproof and tough enough to withstand years of regular use while remaining soft against the skin. Whether you are camping in the mountains, relaxing at the beach, or needing a quick nap at the office, this bag ensures a restful experience. It includes a smooth zipper secured with velcro and an adjustable drawstring hood to trap heat effectively. Despite its advanced heating capabilities, the bag remains ultralight and portable, offering the perfect balance of warmth and convenience for hiking, backpacking, and RV travel.