Your speaker could interfere with other passengers�?devices. If your speaker is too loud, it could interfere with other passengers�?devices, including their headphones or tablets. This may make it challenging for them to watch movies or listen to music. The Federal Aviation Administration (FAA) provides a list of polices in https://www.bluetoothspeaker.top/best-quality-oem-noise-reduction-bluetooth-speaker-for-conference-calls-speaker/