Bluetooth belters at around $seventy nine / £seventy nine. It is not winning any awards for design, but it is IP67 drinking water- and dustproof and it's got a loud, likeable, bass-heavy sound that'll work for many a summer months collecting �?at home or on the street. The Wonderboom https://www.bluetoothspeaker.top/outdoor-subwoofer-bluetooth-wooden-bamboo-bluetooth-speaker-bt-wireless-stereo-speaker/