CNICK is designed with comfort, elegance and simplicity in mind. Made of exotic wooden materials and meticulous shapes of edges, CNICK fits a finger perfectly and ensures users comfort throughout the day. We make the technology disappear in the most organic and Eco-friendly materials - Exotic woods, that could ever be used in a smart wearable. You can replace access cards and enter locked places with a simple gesture, even with your hands full; Write contact information, links and small (up to 8KB) text samples in the ring and share them with a touch of your finger on an android smartphone; Using NFC applications, you can unlock your smartphone or manage apps. The ring is compatible with Samsung, LG, Google and other NFC enabled Mobile Devices. CNICK is also compatible with iPhone 7 and later models, however, they can only be used to read information from the CNICK ring while NFC application is opened, writing function isn't currently available for iOS devices. To save owner's information, CNICK Ring has the most up to date security controller - Desfire EV2 8K. CNICK is compatible with HID readers and SIO can be successfully loaded on the ring. Fist mode technology ensures highest level of security and comfort, while enabling you to have access and share information with a single gesture. Reading Distance: 3-5 CM (Dependent upon reader, environment and application). Manufacturing technique: Bentwood method guarantees the highest quality and durability, it's almost impossible to break CNICK rings by dropping or gripping.