Your speaker could interfere with other travellers�?devices. If your speaker is simply too loud, it could interfere with other travellers�?devices, for instance their headphones or tablets. This might make it difficult for them to watch movies or listen to music. According to TSA rules, you may bring speakers on https://www.bluetoothspeaker.top/bluetooth-speakers-wireless-speaker-bluetooth-heavy-bass-music-player-speaker/