If you need a more adaptable ultra-portable travel speaker: The Ultimate Ears Miniroll is much more expensive and a bit larger than the JBL Go 4, but it surely sounds somewhat fuller and it has a handy integral strap that allows you to strap it into a pole or https://www.bluetoothspeaker.top/indoor-party-led-light-stereo-speaker-bottle-deep-bass-rgb-colorful/