Smart Ring waterproof dust-proof fall-proof for NFC Electron…
Features: Function 1: health protection function, prevent electromagnetic wave radiation, regulate the body. Fashion jewelry, couple rings. Function 2 (with NFC mobile phone support,but IPhone mobile phone no NFC so not support): mobile phone unlock, information sharing, business cards, etc. Feature 3: IC/ID/NFC chip simulation, can copy the card(entrance guard card, Access card, meal card,…