beFree Sound BFS-35 2.1 Channel Surround Sound Bluetooth Speaker System

Enjoy the ultimate home theater experience with beFree 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 x1 + 2.5" speakers x2* output power:20w+10w*2* frequency response:40hz-20khz, * separation:≧50db, * s/n ration:≧75db* features: Usb/sd/FM/Bluetooth/remote.