head into Settings > Bluetooth & Devices and turn on the "Bluetooth" toggle. Then, click "Add Device" and pair the other device. To send a file from your PC, navigate to Settings > Bluetooth ...

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.

enabling Bluetooth devices to communicate with each other. Prior to BT 4.1, devices transmitted to a hub either built into the computer or in a stand-alone dongle. Branded as Bluetooth 3.0 + HS ...