R3F Smart Ring NFC Applicable to Android Apple Mobile Phone Accessories

Built-in a set of NDEF protocol standards for high-speed NFC chips. You can connect your smartphone to perform functions and share data, so you can access many clear and useful functions. Place the smart ring in the NFC area of the smartphone to perform: screen unlock, application lock unlock, application quick launch, business card and URL information sending and reading, etc Built-in a set of NDEF protocol standards for high-speed NFC chips. You can connect your smartphone to perform functions and share data, so you can access many clear and useful functions. Place the smart ring in the NFC area of the smartphone to perform: screen unlock, application lock unlock, application quick launch, business card and URL information sending and reading, etc