The battery onboard lasts around 12 several hours. Not the best within the list, but ideal for a complete day of listening �?check out the Tribit XSound Moreover two In order for you anything with longer battery life for that same sort of cost (while It really is bulkier). https://www.bluetoothspeaker.top/bt5-0-led-light-bluetooth-speakers-wireless-speaker-for-party-garden/