Sound Bar Wired and Wireless Bluetooth Audio (4 Speakers, 2 Bass Reflex Tubes, Bass and Treble Adjustable, Dual Connection Methods, Wall Mountable Bt Speakers, Upgraded Version) Multiple connection options: Bluetooth 4.1, RCA, Fiber opt, 3.5 Audio interface. They can connect to Television, flat panel TV, and audio interfaces, Bluetooth wireless devices Super-simeple to setup: no hasslesno fumbling with tiny Parts, no complexed instructions or tools.Easy connect with your flat TV/tablet/computer: including Optical, coaxial, rca(white & red), USB input Dsp technology: with integrated DSP ( movie/music/news ) Technology for amazing clarity and precision.Technology: thanks for the digital signal processing, there are three different modes (movie, music, dialog) for your option. Be footloose and start to en