It’s a portable DJ speaker that’s battery-powered, weighs just 14 lbs, and even now delivers that signature Bose clarity �?with far more volume than you’d count on from something this small. Portable Bluetooth speakers can be quite a bit larger too like the UE BOOM line of cylindrical speakers https://www.bluetoothspeaker.top/hot-sell-my-speaker-outdoor-bluetooth-speaker-with-usb-input-tf-card-function/