Smart Ring Wear Jakcom R3F NFC Magic For iphone Samsung HTC Sony LG IOS Android Windows NFC Mobile Phone for man

R3 Function 1: health protection function, prevent electromagnetic wave radiation, regulate the body. Fashion jewelry, couple rings. Function 2 (with NFC mobile phone 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, elevator card, attendance card)Do not support the bus card, subway card and bank card.