What is the difference between “paired” and “connected?
Pairing is the creation and exchange of a passkey between two devices to establish a new relationship between them. After the devices are paired, the passkey is stored and authentication occurs automatically during future connections. This is usually needed only once during the initial setup of the wireless device. For many Mac computers the pairing process is completed at the factory, which eliminates this step. “Connected” indicates that your Mac can see and communicate with a previously paired wireless device. Devices that are not within 10 meters (33 feet) or are turned off will show up as ‘Not Connected’ in the Bluetooth System Preferences pane.
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