1、Knob Adjustment: LED blue knob volume adjustment is convenient and quick independent volume knob design, abandoning the traditional button adjustment, so you can adjust the volume more smoothly when. 2、Dual Speakers and Dual Conductive Holes: HF sound quality is more sensational, dual speakers and dual conductive holes cavity combination, bursting out of the amazing 4D sound to bring you to enjoy the exhilarating cinema level listening. 3、Noise Reduction Technology: Anti magnetic noise reduction technology to eliminate current noise, a new generation of intelligent anti magnetic noise reduction technology to avoid mutual interference with other electronic products in the surrounding environment, to eliminate current noise. 4、Good Performance: Small body with large sound cavity, restore lossless sound quality, sound cavity compared to the same product enhanced by 20%, well designed speakers and excellent sound diffusion performance, making the sound larger sound quality more outstanding easily cover the entire room. 5、Prime Materials: This computer speaker shell is made of premium plastic materials, durable, not easy to damage, easy to clean to bring good use experience. Item Type: Computer Speaker Shell Material: Plastic Weight: 410g / 14.46oz Color: Black Product Size: Approx. 31.6x5.5x6cm / 12.4x2.2x2.4in 1 x Speaker 1 x Instruction Manual