Bluetooth keys, often part of digital key systems, enable you to unlock devices or doors using your smartphone. Here's how they generally function:
Digital keys, typically accessed through a dedicated app, establish a connection between your phone and the lock mechanism. When you press the unlock button within the app, communication happens. This communication usually occurs via Bluetooth or NFC (Near Field Communication). So, in the case of Bluetooth keys, the app uses Bluetooth to send a signal to the lock, instructing it to open.
