The battery onboard lasts around 12 hours. Not the best while in the list, but ideal for a complete day of listening �?check out the Tribit XSound As well as 2 If you prefer something with longer battery life for the same form of cost (while It is really https://www.bluetoothspeaker.top/dual-pairing-bluetooth-5-0-loud-stereo-sound-speaker-booming-bass-8h-playtime/