ASHATA Multifunction NFC Smart Rings Waterproof Smart Magic Portable Universal Device for Mobile Phone, Multi-Size (Wide8)

About this item

NFC radio frequency communication technology and mobile phone connection use the functions of mobile phone and data sharing. | No charging / waterproof depth, built-in ultra-sensitive NFC chip, no power to work, easy to carry. | Multifunction NFC Smartring. The main function is the storage and exchange of personal information as well as mobile content and encryption of personal data. | Lock/unlock the program, select the application you want to lock/unlock, write the smart ring. Only the ringtone touches the phone to launch the application. | Beautiful appearance, easy to use.

Specifications