Enjoy the ultimate home theater experience with with beFree Sound's 5.1 Channel Surround Sound Bluetooth Speaker System. This speaker system is designed with sophistication, 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. * 6.5" Amplifier + 3" Speakers x2 * Output power:40W+10W*2 * Frequency response:40Hz-20KHz; * Separation:≧50dB; * S/N Ration:≧75dB * Features:USB/SD/FM/bluetooth/Remote Item Dimensions: 12.00" x 14.50" x 14.75" Item Weight: 12.75lbs Speaker Type: Bookshelf Speakers Number of Channels: 2.1 Number of Speakers: 2 Included: 1 Remote Control(s), 1 Warranty Card(s) Features: Radio Tuner, Bluetooth Compatible Inputs/Outputs: 1 Usb Port(s) Manufacturer Warranty: 90 Day Labor Limited Tuner: Fm Use: Indoor Measurements: 14.75 Height/Inches, 12 Depth/Inches Weight (lb.): 6 Lb Country of Origin: Imported