The LG NB3520A is a versatile audio system designed to enhance your home entertainment experience. With its powerful 2.1 channel sound and a wireless subwoofer, it delivers rich, immersive audio for movies, music, and games. The speaker ez (easy) setup lets you effortlessly connect to your TV, DVD, or digital device for a seamless audio experience. Enjoy your favorite music from portable devices via the PORT. (Portable) IN connection. The USB playback feature allows you to play and control music files directly from a USB drive.