9D surround sound system.Wired and dual connection with built-in 5.0 chip.Hidden does not occupy the desktop.Large capacity lithium- batteries have better long-term endurance for outdoor use.Customized speakers present three-dimensional surround sound effects, allowing music to be everywhere and enjoy stunning sound effects anytime, anywhere.Dual speakers, dual diaphragm 6D stereo surround sound, high pitched and loud, and full bass. and play, convenient and fast, continuous sound production without interference, and compact size can also enjoy cinema hearing.Style: version anti magnetic and anti interference.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.