The UE Wonderboom two and the UE Boom three are quite portable and durable. The Wonderboom is slightly far more portable than the other two, weighing in at fifteen ounces and boasting IPX7 waterproofness. Its shorter and stout shape also can help it disappear inside of a backpack. Stability https://www.bluetoothspeaker.top/high-quality-speaker-waterproof-wireless-outdoor-sports-bluetooth-speaker/