It was developed in order to offer high-quality sound for small spaces. The speaker system functions being an independent two-way speaker which connects specifically with other devices using Bluetooth four.0 technology. I also value how flexible the inputs are �?it is possible to plug in mics, instruments, or phones https://www.bluetoothspeaker.top/audio-system-sound-phone-portable-conference-bluetooth-speaker-with-fm-radio/