Sell Digital Ring NFC Smart Waterproof Intelligent IOS Android best price

Description Features: 1.Can be set to open the smart door locks, Smart phone tags, Cell phone important file lock, NFC can be used to support 2.Lock and unlock your Smart phone or tablet quickly, hide the app when you leave your smart phone alone. 3.Share & Transfer information (send the private message/Picture/business card/ website link to the person you want to share by a simple touch) 4.Control Applications (you can write a fixed process list ahead of the time, and the ring will start the applications each time by simply touch. Water Resistant and No charging required. 5.Support All Android and Windows NFC Mobiles. Size Chart please check the image 6.Quickly start the phone application, in advance will need to quickly start the program startup command written in the smart ring, when the smart ring touches the phone will automatically find and start the program. 7.Multi-functional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and personal privacy encryption unlock, support for Apple, Samsung, Huawei, millet and other DNF-enabled mobile phone. Type: Smart Ring Material: Stainless steel Color: Black (chip part color) Chip: NFC chip Size: 8-13, details are as follows                   8: circumference 18.2mm, circumference 57mm                   9: circumference 19mm, circumference 59.8mm                  10: circumference 19.9mm, circumference 62.4mm                  11: circumference 20.7mm, circumference 65mm                  12: circumference 21.5mm, circumference 67.5mm                  13: circumference 22.3mm, circumference 70mm Package includes: 1 * Smart Ring