The UE Wonderboom two as well as the UE Boom three are quite portable and durable. The Wonderboom is slightly far more portable than the other two, weighing in at 15 ounces and boasting IPX7 waterproofness. Its brief and stout shape also allows it vanish inside of a backpack. https://www.bluetoothspeaker.top/hot-seller-product-bluetooth-speaker-waterproof-golf-portable-bluetooth-speaker-with-magnet/