Enjoy the ultimate home theater experience with 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 + 3" Speaker x2 * Output power:20W+10W*2 * Frequency response:40Hz-20KHz; * Separation:≧50dB; * S/N Ration:≧75dB * Features:USB/SD/FM/Bluetooth/Remote

• Features:USB/SD/FM/Bluetooth/Remote
• S/N Ration:≧75dB
• Separation:≧50dB;
• Frequency response:40Hz-20KHz;
• 4" Amplifier + 3" Speaker x2

Features:USB/SD/FM/Bluetooth/RemotebeFree Sound