Products sold in the U.S. market require mandatory FCC certification. No matter products in the United States or products exported to other countries, FCC certification testing is required. We can see many electronic products in the market. All products have FCC certification mark, which is a test of the product’s conduction and radiation, and has important significance in the US market. FCC certification is an important passport and pass in the US market. Only this mark product can enter To the US market.