smart ring Smart NFC Ring smart ring Smart ring for men Smart ring Multi-functional NFC ring, whose main function is to store and exchange personal data, as well as unlock content and personal encryption, support , , , millet and others supporting DNF. Touch unlock, touch unlock ring to carry on your hand, screen lock, application lock set (some require ROOTING, can use this feature). Block/unlock the program, select the application you want to block/unlock, write a ring, only tap the ring to launch the application to protect personal data. Tap sharing/personal note, you can store private content in the ring, you can also share business card, password, graphic information, etc., it can also be used as a private note to unlock the only unlock. No/waterproof, built-in ultra-DNF chip, no electricity to work, easy to wear. PACKAGING LIST 1 x 8 mm Smart Ring Smart Finger Wear Ring Digital Phone Ring with Features - Black (No. 7) Smart NFC Ring Can be used to open doors information about the transfer. Thanks to NFC frequency technology and connection to the function of data handling and sharing. to get the screen to unlock application lock Quick Start App information and other functions. This is a great choice for a prezent for loved ones. Kolor: as shown. Material: stal stainless. Size: Diameter 8 mm / 0,3 inches. With NFC frequency technology and connection to data handling and sharing function. , to get the screen to unlock; app lock; quick start app; send read business cards, information and other features. Multifunctional, the main function is to store and exchange personal data, as well as unlock content and personal encryption, support , , millet and others supporting DNF. Touch unlock, touch unlock ring to carry on your hand, screen lock, application lock set (some require ROOTING, can use this feature). Block/unlock the program, select the application you want to block/unlock, write a ring, only tap the ring to launch the application to protect personal data. Tap sharing/personal note, you can store private content in the ring, you can also share business card, password, graphic information, etc., it can also be used as a private note to unlock the only unlock. No/waterproof, built-in Ultra DNF chip, no electricity to work, easy to wear.