NFC Ring
KEY FEATURES NFC Ring Tag Form RFID Smart NFC Ring Size US Size Color Black, Gold, Silver, Rose Gold, Blue Chip Type NFC Tag213/215/216 Memory 144 Bytes Protocol ISO14443 A / IEC14443 A Frequency 13.56Mhz Reading distance 0~2cm (depends on the reader and environment) Applications NFC smart device interaction, Shortcut setting, Access control, membership…