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type: NFC Smart Ring
apply for:Samsung HTC Sony LG IOS Android Windows Material: Liquid Tungsten, Epoxy Crystal Ceramic Color: Black Size: 7, 8, 9, 10, 11, 12 Weight: About 23g Package Includes: 1 X NFC Notice: 1.Please allow a little color error . 2.Please allow manual measuring permissible error. 3.Not all phones are universal, please read the introduction carefully before buying. R3 Function: 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. Tip: Apple’s mobile phone no NFC function, so only apply function 1 and function 3, can not apply function 2! Smart Ring