It’s a portable DJ speaker that’s battery-powered, weighs just fourteen lbs, and still delivers that signature Bose clarity �?with far more volume than you’d hope from anything this small. That claimed, be careful when looking at battery specs, as they regularly list a most runtime (“approximately�?x amount of hours). https://www.bluetoothspeaker.top/outdoor-ultra-thin-colored-light-wireless-bass-audio-mobile-phone-bluetooth-speaker/