The NFC smart ring is a fashionable and wearable electronic product which is able to connect with a smartphone through Near Field Communication (NFC) to complete function performing and data sharing. Designed with high-level water resistance, it can be used without any power supply. Embedded with NFC chip, it can only be connected to a smartphone with NFC function.
We have below NFC chips could be used in your products. If you don't know which one NFC chip is suitable ,please contact supplier for recommendation .