It’s a portable DJ speaker that’s battery-powered, weighs just 14 lbs, and still provides that signature Bose clarity �?with way more volume than you’d be expecting from a thing this small. Portable Bluetooth speakers could be a bit larger as well like the UE BOOM line of cylindrical speakers https://www.bluetoothspeaker.top/new-outdoor-portable-racing-lamp-rgb-bluetooth-speaker/