The battery onboard lasts nearly 12 hrs. Not the best within the list, but ideal for a complete day of listening �?check out the Tribit XSound Plus two If you need anything with longer battery life for your same type of cost (though It is bulkier). �?You ought to https://www.bluetoothspeaker.top/wholesale-active-power-speaker-subwoofer-bluetooth-speaker-with-rgb-led-light-for-outdoor/