Your speaker could interfere with other travellers�?devices. If your speaker is simply too loud, it could interfere with other travellers�?devices, such as their headphones or tablets. This may make it complicated for them to watch movies or listen to music. In line with TSA polices, you can bring speakers https://www.bluetoothspeaker.top/waterproof-ipx7-portable-outdoor-bluetooth-speakers-waterproof-shower-speaker/