It will last over 24 several hours in standby mode, listening for voice commands. And if you turn it all of the way off for storage, travel, or battery discounts, it will last per month or more. The Sonos Roam is the only speaker we tested that's setup to https://www.bluetoothspeaker.top/tws-support-tf-card-playing-music-player-bluetooth-speaker-best-sound/