Enjoy the ultimate home theater experience with with beFree Sound's 3.1 Channel Surround Sound Bluetooth Speaker System. This speaker system is sophistically designed, featuring a sleek look and smooth sound. With Bluetooth, USB, SD and FM radio capability, the system offers the best possible listening options for your enjoyment.

* Unit option: 4"+ 2.5"*3
* Output Power:20W+10W*3
* Frequency Response:40Hz-20KHz;
* Separation:?50dB;
* S/N Ration:?75dB
* Features: USB/SD/FM/Bluetooth/Remote