This speaker has the sonic clarity and full sound of the small bookshelf speaker, nevertheless it’s less portable than our smaller picks. Ruggedness and waterproof design: We give precedence to speakers that are built to outlive the knocks and bumps of travel. We desire speakers with an Ingress Protection https://www.bluetoothspeaker.top/portable-m3-bluetooth-speaker-outdoor-portable-subwoofer-stereo-wireless-speakers/