NFC Multifunctional Waterproof Intelligent Ring Smart Finger Ring Digital Ring Lightweight Home Accessories
The 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.
No charge, programmable read-only lock function, 7-byte serial number clone protecting function.
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.