Your speaker could interfere with other travellers�?devices. If your speaker is too loud, it could interfere with other travellers�?devices, like their headphones or tablets. This may make it difficult for them to watch movies or listen to music. The speaker is simply too large to suit within a carry-on https://www.bluetoothspeaker.top/multi-color-wireless-subwoofer-speaker-inalambrico-bluetooth-speaker/