Small stature and high volume dual channel subwoofer sound system. 5.0 is always step ahead.2.1 Left and right channel bass diaphragm speakers.No delay and lossless high-definition stereo sound.Both elderly and children can use wired connections.USB powered and play, 3.5mm audio connection I output 8Desktop computers, laptops, televisions, and mobile phones can all be used.The volume control by wire is more at will.Style: version (sound effect, -in module, 1.5 meter wire, wire controlled tuning).The size is measured manually, and there may be an error of 1-3 centimeters. Please refer to the actual product.Due to different shooting lighting, there may be varying degrees of color difference. Based on the actual object.Connect everything on your device and let the party begin.