If you'd like a more functional ultra-portable travel speaker: The Ultimate Ears Miniroll is a lot more expensive and a bit larger than the JBL Go 4, but it surely sounds a tad fuller and it's a handy integral strap that permits you to strap it to your pole https://www.bluetoothspeaker.top/bluetooth-speaker-retro-stereo-hifi-heavy-bass-wireless-soundbar-subwoof-loudspeaker-bt-speaker/