NFC Multifunctional Waterproof Intelligent Ring Smart Wear Finger Digital Feature: ★The smart ring is a fashionable and wearable electronic product with NFC chips. ★It`s able to connect to a smart phone to complete function performing and data sharing, that way many playful and convenient function will be accessible ★Place the smart ring within the NFC area of a smartphone to perform: screen unlocking, app lock unlocking, app quickly launching, name card and URL information sending and reading, etc. ★Designed with IP68 Water-proof level , you can wear it in all scene such as hiking, running and even swimming, but it`s supposed to be wiped dry to avoid the residual moisture in the ring soak your finger skin for long hour. ★It can be used without any power supply, very convenient. Main Functions: ★Application Quick-Start : with start-up command written in the smart ring, when the smart ring touches the phone the apps will automatically start. ★Quick-Unlock : hand wear ring touch unlock, screen lock, application lock set (some phones need to ROOT, can use the function). ★Program Lock & Ulock : select the application you want to lock / unlock, write the smart ring then touch the phone to start the application, to protect personal privacy. ★Information Sharing : you can store private content in the ring, you can also share the phone business card, wifi password, graphic information, etc., can also be used as a private memo to unlock the only way to unlock.   Specifications: Proauct name: NFC Smart Ring Color: Silver and Orange Size: 6/7/8/9/10/11/12/13 Width: Approx. 8mm/0.31   Package Include: 1x NFC Smart Ring   Tips:  NFC function will be based on this NFC Apps like JACKOM, please search on this link to download:ins. jakcom.com (or you can search other NFC App that based on a NFC device)