As the application finds your headset, you'll see an information about it on the screen. If no remote devices were found, try to do all this again. Bluetooth allows devices to be paired and used together and headsets are a popular accessory. The ability to listen to your music, video or calls in stereo and be across the room from the connected device is a huge convenience. The in-flight cable allows the headset to be used with the Bluetooth radio disabled, a requirement for most airline travel.