DescriptionEpoxy Crystal Ceramic1. Healthy element : Crystal ceramic is the best material of ��green gem��. The many kinds of trace elements in it can improve the human metabolism and effectively promote blood circulation.2. Diamond level : Safe and comfortable zirconia ceramics not only makes it comfortable， but also make it have the hardness second only to the sapphire， being resistant to touch and scratch.3. Well-selected : Each one goes through 120，000 times of polishing and 1450 degree high temperature firing.Health Module : " Volcanic Magnet" ， " FIR Energy Stone"Position with "I" is chipset APosition with "II" is chipset BEach chipset can write in different functions( In usage， please make sure "I" or "II" is in the central part of finger ，Only by correct wearing， the chip in each area can give the best reading and writing performance ).Main FunctionPrivate Note: Save all kind of private information to this Smart Ring ，For example ，Schedule，Accounts，Memo ，etc. And set the Ring Touch action to be the only way of View or Edit.Mobile phone lock: Set screen lock and APP lock randomly and let ring become the only key to your privacy.Quick start: Quick start multi-function scene mode， release the hands with high efficiency.Whisper: The product is the first device in the world which can add 6 images and 2000 characters to a piece of NFC codeword. enables �� delete after reading ��function ， and is compatible with all Android and WP mobile phones. Magic business card: The first NFC device in the world which can share IMAGE and TEXT card information， is compatible with Android and WP mobile phones.Link sharing: User can edit URL links and import to Smart ring， or by explorer sharing function. Afterwards ， wherever user contacts the mobile phones with NFC function， the mobile phone will automatically pop out thecontent of shared pages.Network disk sharing: User can click the sharing function of network disk ， select and write in the Smart ring ， and then touch the mobile phone of others. Any or multiple NFC phones will automatically pop out it. The key of Intelligent door: User can set Smart ring as the key to door according to the matching process of intelligent door lock. It supports all NFC door locks ， for example， Samsung series.Screen unlock: User can set Smart ring as the way to unlock the screen of mobile phone， no matter the mobile phone already has other unlocking ways， such as gesture code or password. ( This function is only available in the mobile p-hones whose Android ROM is not highly customized.)SpecificationReal jewelry-level dimension: Thickness only 1.8mm ，Width only 7.9mmThe product has the narrowest ring surface in like product of the world. Width of ring surface is only 7.9mm and thickness of ring is only 1.8mm， which is the real jewelry-level dimension. Technology coexists with fashion making the most natural wearable device.Waterproof dust-proof and fall-proof: IP68 waterproof level， dustproof and excellent resistance to fall and rolling resistance can be competent to the application requirements of any occasion.Compatible with Android and WP mobile phones: All the Android and WP mobile phones with NFC function can normally apply it.Package included: 1 pc NFC Smart Ring