BYL Sound Bar Wireless Bluetooth Wired Soundbar Speaker System(28", Optical Cable Included, 3D Sound System, Remote Control Learning Function, Wall Mountable) Updated Version High Quality and Affordable Sound bar: This is an excellent sounding Sound bar with great sound, and sounds bigger and louder than most same price sound bars, without distortion. It easily pairs to Bluetooth devices, remote is easy to use with separate buttons for each device. It is great for small or medium sized rooms. Updated Sound Bar and Remote Control: Sound Bar's chip is the latest version, a significant step in improving the sound quality. The remote control is now equipped with learning functions. DSP Technology: This is a targeted technology. When you choose the dialogue mode, it means that you can clearly hear the dialogue and ignore the background sound; when you choose the movie mode, the background sound of the rendering will be very prominent, let you enter the movie situation. When you choose music, you can enjoy the music to the fullest extent.