Description
1~4PCS Fashion Men's Ring Wear NFC Smart Ring Finger Digital Ring Android phones with functional couple stainless Description: High-tech smart ring, smart chip Can be set to open smart door lock, card recharge, smartphone unlock Important file lock on the mobile phone, -click transfer of files, etc., support NFC can be used, welcome to buy Specific operation: Smart ring realizes screen unlocking by touching the NFC signal area of the mobile phone; application lock; quick launch application; sending read business card, website information, etc. Specifications: Material: titanium steel Modeling: Geometry Chip: Ntag213 Style: Smart Style: unisex Treatment process: dripping oil Applicable gifts occasions: festivals Package Included: 1*ring Notes: When measuring the circumference, the rope must be pulled tightly, with a thinner thread (do not use a paper strip) and the measurement position is at the bottom of the finger. If the finger circumference is 55M, it is recommended to select the diameter 17#, which is 56-57MM, then the corresponding choice is to wear the diameter 18#. In addition to 16# and 17# are standard sizes, other sizes are recommended to choose the smaller . The most accurate way is to go to the ring store to measure your own rin