Sign up to get Bose emails and communications for special Added benefits, promotions and new merchandise info. Carry Documentation: Carry the documentation for your Bluetooth speaker, such as its specifications and battery capacity. This can be useful if airport stability wants clarification about the device. A large passive radiator https://www.bluetoothspeaker.top/new-arrival-fabric-wireless-bluetooth-speaker-with-in-ear-earbuds-speaker/