If you prefer a more versatile ultra-portable travel speaker: The Ultimate Ears Miniroll is a lot more expensive and just a little larger than the JBL Go 4, nevertheless it sounds a tad fuller and it's a handy integral strap that permits you to strap it into a pole https://www.bluetoothspeaker.top/hot-selling-bluetooth-speakers-stereo-bass-outdoor-waterproof-portable-wireless-bt-speakers/