It had been designed in an effort to provide high-quality sound for small spaces. The speaker system acts as an independent two-way speaker which connects specifically with other devices working with Bluetooth 4.0 technology. Portable Bluetooth speakers generally is a little bit larger as well like the UE BOOM https://www.bluetoothspeaker.top/hot-selling-wireless-bluetooth-speaker-smart-bt-speaker-support-tf-card-aux/