The 유캠프 워셔블 스마트 탄소온열매트(1인용)_USB is a portable and washable heating mat that uses carbon-fiber technology to emit safe and beneficial infrared rays. It provides warmth and comfort without the worry of electromagnetic radiation, making it an excellent choice for those concerned about their health. The mat is also compatible with USB power sources and can be easily cleaned, adding convenience and hygiene to its features.