Program Lock: Contact The Mobile Phone With Smart Ring To Run The Program, Your Mobile Phone Only Opens For You. Magic Business Card: Leave Your Contact Information Stylishly. With NFC Device Can Share IMAGE And TEXT Card Information, Is Compatible With Android And WP Mobile Phone. Start Hide: The Highest Level Personal Privacy Protection. Whisper: The Product Is The First Device In The World Which Can Add 6 Images And 2000 Characters To A Piece Of NFC Codeword, Enable "Delete After Reading" Function. Screen Unlock: Set The Smart Ring As The Way To Unlock The Screen Of Mobile Phone. Link Sharing: Edit URL Links And Import To Smart Ring, Or By Explorer Sharing Function. Afterwards, Wherever User Contact The Mobile Phone Will Automatically Pop Out The content Of Shared Pages. 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 Most Intelligent Door Locks Of 13.56MHZ In The Market, For Example, Samsung Series. Network Disk Sharing: User Can Click The Sharing Function Of Network Disk, Select And Write In The Smart Ring, And The Touch The Mobile Phone Of Others. Any Or Multiple NFC Phones Will Automatically Pop Out It.