Nhẫn Thép Titan Thông Minh Nfc G2U1

features: 100% brand new and high quality. made of titanium steel, smooth and comfortable to wear. lock and unlock your smart phone quickly, hide the app when you leave your smart phone alone. share & transfer information (send the private message/picture/business card/ website link to the person you want to share by a simple touch). control applications (you can write a fixed process list ahead of the time, and the ring will start the applications each time by simply touch. water resistant and no charging required. support all android and windows nfc mobiles. quickly start the phone application, in advance will need to quickly start the program startup command written in the smart ring, when the smart ring touches the phone will automatically find and start the program. multi-functional nfc smart ring, the main function is to store and exchange personal information, as well as mobile content and personal privacy encryption unlock, support for samsung, huawei, millet and other dnf-enabled mobile phone. specification: type: smart ring metal: titanium steel main color: blue/black width: 8mm thickness: 2mm chip: nfc chip working frequency band: 13.56mhz uses: set up smart lock, card recharge, smart phone unlock, phone important file lock, transfer files. package included: 1pc x smart ring hello, guys, thank you for visiting my store. Dear buyer,Welcome to our store. Thank you for your attention, Thank you for your support!Welcome to buy from us!