We test every thing from tiny travel models to 40-pound yard blasters. All of these include things like rechargeable batteries for portability. All airlines have size and excess weight limits for objects that you need to bring onboard in your carry on. “I bought my Wonderboom two plus a https://www.bluetoothspeaker.top/new-bt-wireless-big-cube-waterproof-portable-outdoor-super-bass-horn-bt-speakers/