Underneath the waterproof flap are most of the inputs and outputs that you’ll need for charging and connecting for the speaker. While it might not be the most rugged or portable selection, I find the Movement X600 best suited to home environments. Its aluminum Make and exclusive grille design https://www.bluetoothspeaker.top/new-outdoor-waterproof-portable-wireless-bt-5-0-subwoofer-bass-speaker/