What is the QR code on flowflex for?

For checking the authenticity of Flowflex, a new coronavirus antigen free test kit developed by Akcome Biotechnology (Hangzhou) Co., Ltd. has been approved by the German Federal Agency for Medicines and Medical Devices (BfArM) for the self-testing market, which is the second time that the new coronavirus antigen test kit has been approved for the self-testing market after it has been approved for the professional market. .