Please understand whether your phone has NFC<br />Material: titanium<br />Style: fashion OL<br />Shape: geometry<br />Process: polishing<br />Packing: 1 PCS NFC intelligent ring<br />Style: male and female general<br />Mosaic material: intelligent chip<br />Color: transparent beauty code code transparent transparent beauty 6・ 7 beauty・ 8 code・ 9 code transparent transparent beauty beauty・ 10 code・ 11 code transparent transparent beauty beauty・ 12 code・ 13 code transparent transparent beauty・ beauty of 14 yard and 6 yard・ black beauty・ black beauty 78 code code・ black beauty・ black beauty 910 code code・ black beauty・ black beauty 11 code 12 code・ black beauty・ black beauty・ code 13・ 14 code Black Beauty<br />:<br />Description: This is a smart ring through the NFC wireless communication technology and mobile phone connected to mobile phone function operation and data sharing are wearable electronic products without any・ power supply・ and has high grade waterproof performance. The ring with built - in NFC chip・ the need to use the mobile phone with NFC function・<br />Two Specific operation: touching NFC signal area・ to your screen unlock phone intelligent ring the the by;<br />Application the lock;<br />Quick start application.<br />Send the read card・ web site other functions the information provides and business<br />Three. The Instructions for use:<br />(1) the first check there is no mobile phone NFC・ mobile phone NFC mobile phone Settings usually switch in