Instructions for use: (1) first ,please confirm your phone with NFC function (2) If your smart phone with nfc function, open the nfc switch, then down load the NFC Tools PRO 4.0 APP from the Google or application software market , and install it, (3) (please chech your phone is support the NFC, then down load the NFC Tools PRO 4.0 APP , THEN open your phone NFC and connect it , then it can work ,) (4) because nfc is near field communication, in reading any task, be sure to ensure that the ring chip position and close to the mobile phone nfc signal area, otherwise it may not be able to read and write the normal situation. Condition: New Type: NFC Smart Ring Material:titanium steel + NFC smart chip Size(Full U.S. sizes optional): 6/7/8/9/10/11/12/13 Package included: 1*Ring.
Features: * Water Resistant and no charging required. * Lock and unlock your smart phone or tablet quickly, hide the app when you leave your smart
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