beFree Sound BFS-15 2.1 Channel Surround Sound Bluetooth Speaker System, Black

Enjoy the ultimate home theater experience with be Free sound's 2.1 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.* 4" amplifier x 1 + 2.5" speakers x 2* output power:10w+5w*2* frequency response:40hz-20khz, * separation:≧50db, * s/n ration:≧75db* features: Usb/sd/FM/Bluetooth* includes remote control.