technology
A New Way to Unlock Your Door: Hands-Free with Apple's Home Key
January 6, 2026
Aqara has introduced a new smart lock, the U400, at CES. This lock is special because it works with Apple's Home Key feature. It uses a tiny chip called UWB in iPhones and Apple Watches to unlock the door automatically as you approach. No need to take out your phone or use a code. The U400 is not t
