Fast heating: the heated sleeping pad warms up quickly in seconds, with three heating panels positioned at the neck, shoulder, and foot areas to ensure fullbody warmth in cold outdoor conditions. Adjustable heat levels: features three temperature settings low, medium, and . A USB interface connector is located inside the pad's pocket for easy adjustment. Enhanced comfort and insulation: thick cotton interior padding provides warmth and insulation, while the outer layer uses skinfriendly, scratchresistant fabric for added comfort. USB powered and safe: uses a USB 5V/2A power interface, allowing easy connection to a power bank. The safe voltage level reduces concerns about battery safety or limitations. Practical use scenarios: Winter camping or backpacking: stay warm in a tent or shelter with a portable power source. Indoor warmth on cold floors or unheated spaces: suitable for cabins, hotel rooms, or RVs. Travel or vehicle use: convenient warmth during long trips in cold conditions with a compatible power bank. Key attributes: function includes rapid heating and multizone warmth; compatibility with USB power banks; material includes thick cotton interior and skinfriendly, scratchresistant exterior; performance delivers reliable warmth in cold outdoor settings.