GCF is the abbreviation of Global Certification Forum, the Chinese translation is the global certification forum, is an international organization.

The CB system is a global system of mutual recognition of electronic products established by IECEE (International Electrotechnical Commission).

Bluetooth certification is BQB certification, in short, if your product has a Bluetooth function and the appearance of the product to indicate the Bluetooth logo, must be called by a BQB certification.