The Harman Kardon Multimedia Speaker System Do/N01d4301 is a sleek black 2.0 channel portable speaker system with a rectangular shape, measuring 4 inches in length, 7 inches in height, and 3.5 inches in width. It is compatible with universal brands and models, manufactured in 2012 with a plastic material construction. The speaker system offers various audio inputs including AUX, Stereo L/R RCA, 3.5mm Jack, and Stereo Mini Jack, providing a wired connectivity with a Type A plug regional fitment. With a battery capacity of 10.8 mAh, this Harman Kardon speaker system delivers high-quality sound for a multimedia experience.