Your speaker could interfere with other travellers�?devices. If your speaker is just too loud, it could interfere with other passengers�?devices, for example their headphones or tablets. This could make it difficult for them to watch movies or listen to music. Loudspeakers should be stored inside a carry-on bag or https://www.bluetoothspeaker.top/rgb-led-lights-usb-bass-speaker-bluetooth-speaker-wireless-sound-pc-speaker/