The Ultimate Ears Wonderboom continues to be our top pick for more than 7 years, and the latest iteration, the Wonderboom four, last but not least makes the switch to USB-C charging to keep up with the times. For all twenty five speakers we tested, the average battery life https://www.bluetoothspeaker.top/hot-selling-high-quality-round-bottle-active-subwoofer-rechargeable-wireless-speakers/