NFC smart ring open the door easily
NFC smart ring door lock, do not have to match any key or smart phone, the NFC active chip on the device will be identified with the passive chip on the ring. Unlock the device immediately after identify passing, the whole process takes a very short time. Gently lifting the sensor on your hand, you can hear the sweet opening of the door.
Your smartphone, you can download an App that works with NFC to unlock your phone safely. Keep the ring close to your phone and no longer enter the password to unlock as in the past.
NFC smart ring can do more, from opening specific apps, specific information, to sharing your WiFi network, your personal URL, and so on.