Hitech NFC Smart Magic Anel de dedo fashion de aço inoxidável para celular

Specifications: The smart ring through the nfc radio frequency communication technology, to achieve mobile phone function operation and sharing of data. By touching the phone nfc signal area, to achieve the screen to unlock; application lock, quick start application, send read business cards, URL information and other functions. Multi-functional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and personal privacy encryption unlock. Support for Apple, for Samsung, for Huawei,for XIAOMI and other NFC-enabled mobile phone. No need to charge , built-in ultra-sensitive NFC chip.   Type: Smart Ring Gender: Women's, Men's Style: Fashion Material: Stainless Steel Features: Smart Ring, NFC Connection, Multifunction Ring Size: US Size 6(Dia): 16.4mm/0.65" (Approx.) US Size 7(Dia): 17.3mm/0.68" (Approx.) US Size 8(Dia): 18.1mm/0.71" (Approx.) US Size 9(Dia): 18.9mm/0.74" (Approx.) US Size 10(Dia): 19.7mm/0.78" (Approx.) US Size 11(Dia): 20.6mm/0.81" (Approx.) US Size 12(Dia): 21.4mm/0.84" (Approx.) US Size 13(Dia.): 22.3mm/0.88" (Approx.) US Size 14(Dia.): 23.1mm/0.91" (Approx.)   Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x Smart Ring