Product Description
Structure: Place of crystal diamond is chip area, the other side of ring is the second chip area, different areas for the different functions of application ( put on correctly to ensure the place of diamond is in the center of finger guarantee the best read-write function of each magic ring area chip. The first installation and connection: 1. Start the NFC function of mobile 2. Scan the QR code on the back of packing box and download ? NF
