The speaker is usually a nuisance to other travellers. This tends to come about in case you play your music also loudly or if your speaker is emitting a lot of noise. If other travellers complain about your speaker, you could be Can I take a portable speaker over https://www.bluetoothspeaker.top/high-power-loud-big-bluetooth-megaphone-bullhorn-rechargeable-battery-portable-speaker/