If you need a more versatile ultra-portable travel speaker: The Ultimate Ears Miniroll is more expensive and a little bit larger than the JBL Go four, but it surely sounds a bit fuller and it's a handy integral strap that enables you to strap it to the pole or https://www.bluetoothspeaker.top/subwoofer-tv-sound-blaster-speaker-external-subwoofer-fiber-bluetooth-speaker/