Really serious about larking inside the park? This B&O cylinder is built for alfresco audio. Shipped with an aluminium carabiner for easy backpack attachment, the anodised aluminium shell is scratch-resistant and all set to get a splashing. We find it reassuringly weighty �?it stops just in need of hefty. https://www.bluetoothspeaker.top/wireless-speaker-audio-subwoofer-party-box-music-bt-speaker-wireless-waterproof-battery/