What does bracelet nfc function mean

Wearable devices allow you to pay at the store, buy a ticket for public **** transportation, or enter the office building where you go to work. nfc, or near field communication, is a short-range, high-frequency wireless communication technology that allows devices using NFC technology to exchange data in close proximity to each other. This emerging technology evolved from the integration of contactless radio frequency identification and interoperability technologies. It realizes mobile payment, e-ticketing, access control, mobile identification, anti-counterfeiting and other applications using mobile terminals by integrating inductive reader, inductive card and point-to-point communication functions on a single chip. The main application scenario of the bracelet NFC function is mobile payment. Users can bind the bank card information to the bracelet and make payment through the bracelet without taking out the cell phone and wallet, which is convenient and fast. In addition, the bracelet NFC function can also be used in the field of public **** transportation, access card, identity authentication and so on.