Bluetooth, as a technological term ... A more credible hypothesis posits that he had a "blue" tooth. In the context of Old Norse, "blue" could have meant dark or black, implying he might have ...

Bluetooth has been around for more than 20 years, but it's still plagued with issues. Devices may not connect, they may randomly disconnect, or you can run into interference from other devices.

1. Take your AirPods out of their case. 2. Open the Settings app on your iPhone or iPad and select Bluetooth. 3. Tap the blue "i" icon next to your AirPods in the list of devices. 4. Tap in the ...