The Yusezen EMS Face Mask (Model: YZ-FM01 ) is certified to comply with FCC CFR Title 47 Part 15 Subpart B (2019) standards applicable in the United States. This certification proves that the device has passed electromagnetic compatibility tests and does not emit harmful radio frequency or electromagnetic interference during use. Yusezen offers safe and effective solutions to its users with premium face masks , skin care devices , and anti-aging technologies , while reinforcing its credibility in the global market by ensuring full compliance with international standards. This certification serves as an official confirmation of Yusezen's commitment to quality and its reliability in the US market.