Tips:
1, this NFC function (NFC processor: Fudanwei F08S, Â IC card, no battery power required, not same as the nfc function of smart watch) only for smart access control of the smart lock. Â still not avaible for wireless payment.
2,and to input the card information to your smart ring , you need to download one NFC assistant app. (normally can input text information , URL links, telephone number , name card, Â Bluetooth/Wifi network , locations , open app), Â to use this function, you need to make sure that your smartphone also supports NFC functions. Â (now still can not write nfc card information to this ring)
3: This size is based on American ring standard.
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