12月3日的ECHO应用程序分析

Meet ECHO, the first battery-free, NFC-powered smart lock system Lock and unlock with just a tap of your smartphone – no keys, no batteries, no maintenance. Note: The app requires ECHO smart locks to access most features. The ECHO Lock App is designed to work exclusively with ECHO smart locks, providing secure and convenient access using your smartphone’s NFC technology. Effortlessly manage, assign, and unlock or lock your ECHO locks—all in one place! NFC Unlocking & Locking: Use your phone’s NFC to unlock or lock your compatible ECHO locks with a simple tap. Download now and experience the convenience of keyless access with ECHO smart locks.