Jakcom R3F Smart Ring For High Speed NFC Electronics Phone Smart Accessories 3-proof App Enabled Wearable Technology Magic Ring

Color
black size 12
black size 11
black size 10
black size 9
black size 8
black size 7
white size 12
white size 11
white size 10
white size 9
white size 8
white size 7

Function 1:accessories,Fashion jewelry, couple rings.Function 2:Android or WINDOWS have NFC mobile phone can be used(unlock the phone, information sharing, card sharing, etc.)NFC chip embedded in the ring

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