If you prefer a more multipurpose ultra-portable travel speaker: The Ultimate Ears Miniroll is a lot more expensive and a little larger than the JBL Go four, but it really sounds a little fuller and it's a handy integral strap that lets you strap it to some pole or https://www.bluetoothspeaker.top/party-bluetooth-speaker-strong-bass-loud-boombox-stereo-sound-speaker/