I also test musical devices and recording equipment, together with USB interfaces and microphones, and I carry out audio measurements for many other guides, which include our headphone and earplug guides. So, traveling with Bluetooth speakers in check-in luggage is generally allowed by most airlines, but it comes with https://www.bluetoothspeaker.top/bt-multi-function-time-alarm-clock-wireless-charging-light-call-function-bluetooth-speaker/