If you would like one thing louder: The Ultimate Ears Hyperboom is a wonderful selection if you want loud volume for outdoor get-togethers, or If you would like fuller, clearer sound than smaller Bluetooth speakers can provide. It maxed out at 99. Portable speakers with a built-in battery are https://www.bluetoothspeaker.top/hot-selling-inalambrico-speaker-bt-built-in-battery-waterproof-speakers/