NFC is a short-range high-frequency wireless communication technology, which is an application that can help you quickly start a program and switch scene modes. It allows non-contact point-to-point transmission of data between electronic devices. “Just touch” to exchange data between different electronic products. Unlike a contactless IC card, NFC can communicate in both directions. NFC tags play a huge role in the fields of access control, public transportation, and mobile payment. The difference between a waterproof NFC tag and a normal NFC tag is that it has better water resistance. Mor e adaptable to a variety of environments.