BB20BT has built-in Bluetooth module, which allows you to link many modern audio sources such as smartphones, tablets, desktop computers and all other portable devices with Bluetooth function. In addition to audiostreaming this unit has a built-in FM tuner and CD player. USB port allows you to playback any portable memory sticks with MP3 files. Using the AUX terminal we can connect any audio signal via cable with a mini-jack connector. If you need a discrete listening to your favorite music the headphone output on the front panel will be useful. With the ability to power supply both from the electricity network and battery BB20BT can be used both at home and outside it.