The battery onboard lasts as much as 12 hrs. Not the best during the list, but perfect for an entire day of listening �?check out the Tribit XSound Plus 2 In order for you something with longer battery life with the same type of cost (however It is bulkier). https://www.bluetoothspeaker.top/low-price-with-subwoofer-surround-stereo-sound-bluetooth-speakers-wireless/